id:A146877 - 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 1110-0100-0111 pattern in any orientation.

+0
1

1, 1, 1, 1, 1, 1, 1, 13, 37, 65, 121, 421, 1309, 3649, 15177, 81237, 474405, 2569641, 13240801, 84039101, 586237485 (list; graph; listen)

	OFFSET	`1,8`
	EXAMPLE	`Maximal 8 X 8 example` `.1.0.0.0.0.1.1.1` `.1.0.1.0.0.1.0.0` `.1.1.1.0.1.1.1.0` `.0.0.1.0.0.0.0.0` `.0.0.0.0.0.1.0.0` `.0.1.1.1.0.1.1.1` `.0.0.1.0.0.1.0.1` `.1.1.1.0.0.0.0.1`
	CROSSREFS	`Sequence in context: A138368 A118071 A147207 this_sequence A049742 A113601 A158864` `Adjacent sequences: A146874 A146875 A146876 this_sequence A146878 A146879 A146880`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net), Nov 04 2008`

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Last modified December 5 17:24 EST 2009. Contains 170342 sequences.