id:A147090 - 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 10001-11111 pattern in any orientation.

+0
1

1, 1, 1, 1, 5, 13, 25, 51, 215, 1059, 6091, 34649, 217439, 1714483, 16064320, 187492557 (list; graph; listen)

	OFFSET	`1,5`
	EXAMPLE	`Maximal 8 X 8 example` `.1.1.0.1.1.1.1.1` `.1.0.0.1.0.0.0.1` `.1.0.0.0.0.0.0.0` `.1.0.0.0.0.0.1.1` `.1.1.0.0.0.0.0.1` `.0.0.0.0.0.0.0.1` `.1.0.0.0.1.0.0.1` `.1.1.1.1.1.0.1.1`
	CROSSREFS	`Sequence in context: A147272 A147427 A147408 this_sequence A097117 A146140 A146283` `Adjacent sequences: A147087 A147088 A147089 this_sequence A147091 A147092 A147093`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net), Nov 04 2008`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.