id:A146412 - 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 1000-1111-0100 pattern in any orientation.

+0
1

1, 1, 1, 1, 5, 25, 59, 371, 1829, 12351, 114789, 1410427, 19272237, 385707683, 8418983493, 256858401273 (list; graph; listen)

	OFFSET	`1,5`
	EXAMPLE	`Maximal 8 X 8 example` `.0.0.1.1.0.0.1.0` `.0.0.0.1.1.0.1.0` `.0.0.0.1.0.0.1.1` `.0.0.0.1.0.1.1.0` `.0.1.1.0.1.0.0.0` `.1.1.0.0.1.0.0.0` `.0.1.0.1.1.0.0.0` `.0.1.0.0.1.1.0.0`
	CROSSREFS	`Sequence in context: A161143 A045576 A146649 this_sequence A152734 A080856 A060820` `Adjacent sequences: A146409 A146410 A146411 this_sequence A146413 A146414 A146415`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net)`

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Last modified November 25 14:49 EST 2009. Contains 167514 sequences.