Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; DBLayer has a deprecated constructor in /customers/5/9/f/padowan.dk/httpd.www/forum/include/dblayer/mysqli.php on line 16 Warning: session_cache_limiter(): Cannot change cache limiter when headers already sent in /customers/5/9/f/padowan.dk/httpd.www/forum/include/functions.php on line 47 Warning: session_id(): Cannot change session id when headers already sent in /customers/5/9/f/padowan.dk/httpd.www/forum/include/functions.php on line 60 Warning: session_start(): Cannot start session when headers already sent in /customers/5/9/f/padowan.dk/httpd.www/forum/include/functions.php on line 65 Warning: session_regenerate_id(): Cannot regenerate session id - session is not active in /customers/5/9/f/padowan.dk/httpd.www/forum/include/functions.php on line 70 Deprecated: Function create_function() is deprecated in /customers/5/9/f/padowan.dk/httpd.www/forum/include/parser.php on line 811 Deprecated: Function create_function() is deprecated in /customers/5/9/f/padowan.dk/httpd.www/forum/include/parser.php on line 811 Deprecated: Function create_function() is deprecated in /customers/5/9/f/padowan.dk/httpd.www/forum/include/parser.php on line 811 Deprecated: Function create_function() is deprecated in /customers/5/9/f/padowan.dk/httpd.www/forum/include/parser.php on line 811 Deprecated: Function create_function() is deprecated in /customers/5/9/f/padowan.dk/httpd.www/forum/include/parser.php on line 811 Deprecated: Function create_function() is deprecated in /customers/5/9/f/padowan.dk/httpd.www/forum/include/parser.php on line 811 Deprecated: Function create_function() is deprecated in /customers/5/9/f/padowan.dk/httpd.www/forum/include/parser.php on line 811 Deprecated: Function create_function() is deprecated in /customers/5/9/f/padowan.dk/httpd.www/forum/include/parser.php on line 811 Deprecated: Function create_function() is deprecated in /customers/5/9/f/padowan.dk/httpd.www/forum/include/parser.php on line 811 Deprecated: Function create_function() is deprecated in /customers/5/9/f/padowan.dk/httpd.www/forum/include/parser.php on line 816 Deprecated: Function create_function() is deprecated in /customers/5/9/f/padowan.dk/httpd.www/forum/include/parser.php on line 811 Deprecated: Function create_function() is deprecated in /customers/5/9/f/padowan.dk/httpd.www/forum/include/parser.php on line 811 Deprecated: Function create_function() is deprecated in /customers/5/9/f/padowan.dk/httpd.www/forum/include/parser.php on line 811 Deprecated: Function create_function() is deprecated in /customers/5/9/f/padowan.dk/httpd.www/forum/include/parser.php on line 811 Deprecated: Function create_function() is deprecated in /customers/5/9/f/padowan.dk/httpd.www/forum/include/parser.php on line 811 Deprecated: Function create_function() is deprecated in /customers/5/9/f/padowan.dk/httpd.www/forum/include/parser.php on line 811 Deprecated: Function create_function() is deprecated in /customers/5/9/f/padowan.dk/httpd.www/forum/include/parser.php on line 811 Deprecated: Function create_function() is deprecated in /customers/5/9/f/padowan.dk/httpd.www/forum/include/parser.php on line 811 Deprecated: Function create_function() is deprecated in /customers/5/9/f/padowan.dk/httpd.www/forum/include/parser.php on line 811 Deprecated: Function create_function() is deprecated in /customers/5/9/f/padowan.dk/httpd.www/forum/include/parser.php on line 816 Warning: Cannot modify header information - headers already sent by (output started at /customers/5/9/f/padowan.dk/httpd.www/forum/include/dblayer/mysqli.php:16) in /customers/5/9/f/padowan.dk/httpd.www/forum/extern.php on line 110 Warning: Cannot modify header information - headers already sent by (output started at /customers/5/9/f/padowan.dk/httpd.www/forum/include/dblayer/mysqli.php:16) in /customers/5/9/f/padowan.dk/httpd.www/forum/extern.php on line 111 Warning: Cannot modify header information - headers already sent by (output started at /customers/5/9/f/padowan.dk/httpd.www/forum/include/dblayer/mysqli.php:16) in /customers/5/9/f/padowan.dk/httpd.www/forum/extern.php on line 112 Warning: Cannot modify header information - headers already sent by (output started at /customers/5/9/f/padowan.dk/httpd.www/forum/include/dblayer/mysqli.php:16) in /customers/5/9/f/padowan.dk/httpd.www/forum/extern.php on line 113 <![CDATA[Graph Forums — Rotational Symmetry of Order 4]]> https://forum.padowan.dk/viewtopic.php?id=1079 Tue, 12 Dec 2017 16:55:50 +0000 PunBB <![CDATA[Re: Rotational Symmetry of Order 4]]> https://forum.padowan.dk/viewtopic.php?pid=3137#p3137 (3) n is even (Non-Reflectional Symmetry)

(4) n is odd (Non-Reflectional Symmetry)

Preview

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Tue, 12 Dec 2017 16:55:50 +0000 https://forum.padowan.dk/viewtopic.php?pid=3137#p3137
<![CDATA[Rotational Symmetry of Order 4]]> https://forum.padowan.dk/viewtopic.php?pid=3136#p3136 Rotational Symmetry of Order 4 in a nxn Grid of Random Shaded Squares
(Graph version: 4.4.2)

(1) n is even

(2) n is odd

Preview

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Tue, 12 Dec 2017 16:52:00 +0000 https://forum.padowan.dk/viewtopic.php?pid=3136#p3136