id:A147002 - 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 00100-00100-11111 pattern in any orientation.

+0
1

1, 1, 1, 1, 1, 5, 20, 47, 155, 569, 2601, 13423, 95231, 685877, 6411543, 61586198 (list; graph; listen)

	OFFSET	`1,6`
	EXAMPLE	`Maximal 8 X 8 example` `.0.0.1.1.1.1.1.0` `.0.0.0.0.1.0.0.1` `.1.0.0.0.1.0.0.1` `.1.0.0.0.0.1.1.1` `.1.1.1.0.0.0.0.1` `.1.0.0.1.0.0.0.1` `.1.0.0.1.0.0.0.0` `.0.1.1.1.1.1.0.0`
	CROSSREFS	`Sequence in context: A031304 A061188 A033429 this_sequence A005287 A147488 A134481` `Adjacent sequences: A146999 A147000 A147001 this_sequence A147003 A147004 A147005`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net), Nov 04 2008`

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Last modified December 1 19:22 EST 2009. Contains 167811 sequences.