id:A146704 - 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 1100-1111-0010 pattern in any orientation.

+0
1

1, 1, 1, 1, 1, 1, 3, 19, 43, 75, 183, 643, 2215, 9883, 45633, 225733, 1239851, 7715029, 52987121, 415234347, 3530586371, 34390495263 (list; graph; listen)

	OFFSET	`1,7`
	EXAMPLE	`Maximal 8 X 8 example` `.0.1.0.0.0.0.1.0` `.1.1.0.0.1.1.1.1` `.0.1.1.0.1.1.0.0` `.0.1.1.0.0.0.0.0` `.0.0.0.0.0.1.1.0` `.0.0.1.1.0.1.1.0` `.1.1.1.1.0.0.1.1` `.0.1.0.0.0.0.1.0`
	CROSSREFS	`Sequence in context: A107154 A031393 A146672 this_sequence A103145 A100694 A146664` `Adjacent sequences: A146701 A146702 A146703 this_sequence A146705 A146706 A146707`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net), Nov 04 2008`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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