id:A147358 - 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 0110-0110-1111 pattern in any orientation.

+0
1

1, 1, 1, 1, 1, 1, 3, 8, 19, 34, 51, 134, 355, 989, 3419, 12452 (list; graph; listen)

	OFFSET	`1,7`
	EXAMPLE	`Maximal 8 X 8 example` `.0.0.0.1.1.1.1.0` `.1.0.0.0.1.1.0.0` `.1.1.1.0.1.1.0.0` `.1.1.1.0.0.0.0.1` `.1.0.0.0.0.1.1.1` `.0.0.1.1.0.1.1.1` `.0.0.1.1.0.0.0.1` `.0.1.1.1.1.0.0.0`
	CROSSREFS	`Sequence in context: A123982 A113535 A139020 this_sequence A086167 A083186 A055341` `Adjacent sequences: A147355 A147356 A147357 this_sequence A147359 A147360 A147361`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net)`

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Last modified November 27 14:50 EST 2009. Contains 167570 sequences.