id:A146672 - OEIS Search Results

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Number of n X n binary arrays symmetric under 90 degree rotation with all ones connected only in a 1100-0111-0110 pattern in any orientation.

+0
1

1, 1, 1, 1, 1, 1, 3, 19, 43, 71, 159, 607, 2057, 8951, 43111, 227107, 1266527, 7483327, 50232185, 389882233, 3353662007 (list; graph; listen)

	OFFSET	`1,7`
	EXAMPLE	`Maximal 8 X 8 example` `.0.0.0.0.0.1.1.0` `.1.0.0.1.1.1.0.0` `.1.1.1.0.1.1.0.0` `.0.1.1.0.0.0.1.0` `.0.1.0.0.0.1.1.0` `.0.0.1.1.0.1.1.1` `.0.0.1.1.1.0.0.1` `.0.1.1.0.0.0.0.0`
	CROSSREFS	`Sequence in context: A141373 A107154 A031393 this_sequence A146704 A103145 A100694` `Adjacent sequences: A146669 A146670 A146671 this_sequence A146673 A146674 A146675`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net), Nov 04 2008`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.