id:A147006 - OEIS Search Results

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Number of n X n binary arrays symmetric about main diagonal with all ones connected only in a 00100-11111-00100 pattern in any orientation.

+0
1

1, 1, 1, 1, 1, 1, 3, 7, 14, 39, 108, 339, 1512, 7447, 40037, 248431, 1729177, 13906995, 133020215, 1477709272, 18786585661, 273016606323, 4544925816863, 87252400485138, 1941478219409803, 49994513906410819, 1483543905376332107 (list; graph; listen)

	OFFSET	`1,7`
	EXAMPLE	`Maximal 8 X 8 example` `.0.0.0.0.0.0.0.0` `.0.0.0.0.0.0.1.0` `.0.0.0.0.0.0.1.0` `.0.0.0.0.0.1.1.1` `.0.0.0.0.0.0.1.0` `.0.0.0.1.0.0.1.0` `.0.1.1.1.1.1.0.0` `.0.0.0.1.0.0.0.0`
	CROSSREFS	`Sequence in context: A089526 A146920 A079939 this_sequence A146936 A146155 A106363` `Adjacent sequences: A147003 A147004 A147005 this_sequence A147007 A147008 A147009`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net), Nov 04 2008`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

AT&T Labs Research