id:A147400 - 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 1000-1110-0111-0001 pattern in any orientation.

+0
1

1, 1, 1, 1, 1, 3, 7, 15, 29, 107, 505, 2403, 11235, 68883, 550857, 5140463, 52360741, 625116575, 9135765233, 158905603757, 3203687852735, 75422308943617 (list; graph; listen)

	OFFSET	`1,6`
	EXAMPLE	`Maximal 8 X 8 example` `.0.0.0.0.0.0.0.0` `.0.0.0.0.0.0.0.0` `.0.0.0.0.1.0.0.0` `.0.0.0.0.1.1.1.0` `.0.0.1.1.0.1.1.1` `.0.0.0.1.1.0.0.1` `.0.0.0.1.1.0.0.0` `.0.0.0.0.1.1.0.0`
	CROSSREFS	`Sequence in context: A080011 A120538 A146019 this_sequence A002545 A153114 A055795` `Adjacent sequences: A147397 A147398 A147399 this_sequence A147401 A147402 A147403`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net)`

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Last modified December 18 21:37 EST 2009. Contains 171024 sequences.

AT&T Labs Research