id:A147327 - OEIS Search Results

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Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in a 00100-00100-11111-00100 pattern in any orientation.

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1, 1, 1, 1, 1, 1, 1, 1, 6, 1, 28, 9, 150, 25, 1118, 57, 7823, 349, 97756, 3222, 1845246, 35623, 42655192, 520596, 1288627017, 9629183 (list; graph; listen)

	OFFSET	`1,9`
	EXAMPLE	`Maximal 9 X 9 example` `.0.0.0.0.1.0.0.0.0` `.0.0.1.1.1.1.1.0.0` `.0.1.0.0.1.0.0.1.0` `.0.1.0.0.1.0.0.1.0` `.1.1.1.1.0.1.1.1.1` `.0.1.0.0.1.0.0.1.0` `.0.1.0.0.1.0.0.1.0` `.0.0.1.1.1.1.1.0.0` `.0.0.0.0.1.0.0.0.0`
	CROSSREFS	`Sequence in context: A120666 A050300 A118394 this_sequence A145629 A118933 A046212` `Adjacent sequences: A147324 A147325 A147326 this_sequence A147328 A147329 A147330`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net)`

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.

AT&T Labs Research