id:A146443 - 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 1100-0100-0111 pattern in any orientation.

+0
1

1, 1, 1, 1, 1, 1, 1, 17, 41, 75, 189, 781, 2423, 8297, 41313, 246219, 1447691, 8722011, 58593249, 472152107, 3875447631 (list; graph; listen)

	OFFSET	`1,8`
	EXAMPLE	`Maximal 8 X 8 example` `.1.0.0.0.0.0.1.1` `.1.1.1.0.0.0.1.0` `.0.0.1.0.1.1.1.0` `.0.0.1.0.0.0.0.0` `.0.0.0.0.0.1.0.0` `.0.1.1.1.0.1.0.0` `.0.1.0.0.0.1.1.1` `.1.1.0.0.0.0.0.1`
	CROSSREFS	`Sequence in context: A138005 A166147 A028886 this_sequence A110226 A054819 A087877` `Adjacent sequences: A146440 A146441 A146442 this_sequence A146444 A146445 A146446`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net)`

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Last modified December 11 12:57 EST 2009. Contains 170656 sequences.