id:A147226 - 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 11011-01110 pattern in any orientation.

+0
1

1, 1, 1, 1, 1, 3, 10, 29, 94, 321, 1262, 7231, 51504, 415403, 3863371, 41121252, 505066528, 7638140887, 140942068334, 3073652987530, 79190388734899, 2405781069528047 (list; graph; listen)

	OFFSET	`1,6`
	EXAMPLE	`Maximal 8 X 8 example` `.0.1.1.0.1.1.0.0` `.1.0.1.1.1.0.0.0` `.1.1.0.0.0.0.0.1` `.0.1.0.0.0.0.1.1` `.1.1.0.0.0.0.1.0` `.1.0.0.0.0.0.1.1` `.0.0.0.1.1.1.0.1` `.0.0.1.1.0.1.1.0`
	CROSSREFS	`Sequence in context: A096140 A052976 A147363 this_sequence A147062 A146384 A166174` `Adjacent sequences: A147223 A147224 A147225 this_sequence A147227 A147228 A147229`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net), Nov 04 2008`

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Last modified December 2 11:54 EST 2009. Contains 167921 sequences.

AT&T Labs Research