id:A147367 - OEIS Search Results

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Number of n X n binary arrays symmetric under 180 degree rotation with all ones connected only in a 01110-11111 pattern in any orientation.

+0
1

1, 1, 1, 1, 5, 9, 28, 65, 286, 1283, 8624, 48653, 407612, 3268073, 37940635, 437037462 (list; graph; listen)

	OFFSET	`1,5`
	EXAMPLE	`Maximal 8 X 8 example` `.1.0.0.0.0.0.0.0` `.1.1.0.1.1.1.1.1` `.1.1.0.0.1.1.1.0` `.1.1.0.0.0.0.0.1` `.1.0.0.0.0.0.1.1` `.0.1.1.1.0.0.1.1` `.1.1.1.1.1.0.1.1` `.0.0.0.0.0.0.0.1`
	CROSSREFS	`Sequence in context: A048884 A077915 A026587 this_sequence A147230 A163779 A006131` `Adjacent sequences: A147364 A147365 A147366 this_sequence A147368 A147369 A147370`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net)`

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Last modified December 17 19:39 EST 2009. Contains 170821 sequences.