id:A147476 - OEIS Search Results

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Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 1100-1111-1100 pattern in any orientation.

+0
1

1, 1, 1, 1, 5, 1, 23, 11, 466, 277, 14218, 3983, 707294, 112981, 56470385, 8891967 (list; graph; listen)

	OFFSET	`1,5`
	EXAMPLE	`Maximal 8 X 8 example` `.0.0.0.0.0.0.0.0` `.0.0.0.0.0.0.0.0` `.0.0.0.0.0.0.0.0` `.0.0.0.0.0.0.0.0` `.0.1.0.0.0.0.1.0` `.0.1.0.0.0.0.1.0` `.1.1.1.0.0.1.1.1` `.1.1.1.0.0.1.1.1`
	CROSSREFS	`Sequence in context: A101625 A051929 A167572 this_sequence A146675 A123967 A162259` `Adjacent sequences: A147473 A147474 A147475 this_sequence A147477 A147478 A147479`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net)`

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Last modified December 6 19:58 EST 2009. Contains 170429 sequences.