id:A147323 - 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 00100-00100-00100-11111 pattern in any orientation.

+0
1

1, 1, 1, 1, 1, 1, 1, 3, 6, 13, 25, 41, 67, 149, 438 (list; graph; listen)

	OFFSET	`1,8`
	EXAMPLE	`Maximal 8 X 8 example` `.1.0.0.1.1.1.1.1` `.1.0.0.0.0.1.0.0` `.1.1.1.1.0.1.0.0` `.1.0.0.0.0.1.0.1` `.1.0.1.0.0.0.0.1` `.0.0.1.0.1.1.1.1` `.0.0.1.0.0.0.0.1` `.1.1.1.1.1.0.0.1`
	CROSSREFS	`Sequence in context: A005196 A032287 A006017 this_sequence A047183 A047194 A048039` `Adjacent sequences: A147320 A147321 A147322 this_sequence A147324 A147325 A147326`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net)`

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

AT&T Labs Research