id:A146677 - 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 1100-0111-1100 pattern in any orientation.

+0
1

1, 1, 1, 1, 1, 3, 9, 19, 52, 193, 866, 4709, 29160, 204475, 1745781, 17973283, 218163477, 3154013451, 54291505832, 1101846202608, 26444293196609, 754399567634635, 25615826491870630, 1034470468747498026 (list; graph; listen)

	OFFSET	`1,6`
	EXAMPLE	`Maximal 8 X 8 example` `.0.0.0.0.1.1.0.0` `.0.0.1.1.1.0.0.0` `.0.1.0.0.1.1.0.0` `.0.1.0.0.0.0.0.0` `.1.1.1.0.0.0.0.0` `.1.0.1.0.0.0.0.0` `.0.0.0.0.0.0.0.0` `.0.0.0.0.0.0.0.0`
	CROSSREFS	`Sequence in context: A102001 A146901 A147477 this_sequence A077442 A147455 A146429` `Adjacent sequences: A146674 A146675 A146676 this_sequence A146678 A146679 A146680`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net), Nov 04 2008`

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Last modified November 25 14:49 EST 2009. Contains 167514 sequences.

AT&T Labs Research