id:A146938 - OEIS Search Results

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Number of n X n binary arrays symmetric about the diagonal and under 90 degree rotation with all ones connected only in a 1111-1111 pattern in any orientation.

+0
1

1, 1, 1, 1, 1, 1, 1, 2, 1, 4, 1, 6, 3, 13, 7, 38, 14, 126, 39, 447, 110, 1805, 377, 8300, 1728, 44775, 8445, 290627, 46261, 2170182 (list; graph; listen)

	OFFSET	`1,8`
	EXAMPLE	`Maximal 8 X 8 example` `.0.0.1.1.1.1.0.0` `.0.0.1.1.1.1.0.0` `.1.1.0.0.0.0.1.1` `.1.1.0.0.0.0.1.1` `.1.1.0.0.0.0.1.1` `.1.1.0.0.0.0.1.1` `.0.0.1.1.1.1.0.0` `.0.0.1.1.1.1.0.0`
	CROSSREFS	`Sequence in context: A138009 A131755 A118275 this_sequence A147418 A146386 A128099` `Adjacent sequences: A146935 A146936 A146937 this_sequence A146939 A146940 A146941`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net), Nov 04 2008`

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Last modified December 13 23:45 EST 2009. Contains 170824 sequences.

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