id:A147230 - 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 11011-01110 pattern in any orientation.

+0
1

1, 1, 1, 1, 5, 9, 28, 67, 302, 1369, 9282, 54141, 470976, 3945073, 47144695, 569244886 (list; graph; listen)

	OFFSET	`1,5`
	EXAMPLE	`Maximal 8 X 8 example` `.1.0.0.0.0.0.0.0` `.1.1.0.1.1.0.1.1` `.0.1.0.0.1.1.1.0` `.1.1.0.0.0.0.0.1` `.1.0.0.0.0.0.1.1` `.0.1.1.1.0.0.1.0` `.1.1.0.1.1.0.1.1` `.0.0.0.0.0.0.0.1`
	CROSSREFS	`Sequence in context: A077915 A026587 A147367 this_sequence A163779 A006131 A049602` `Adjacent sequences: A147227 A147228 A147229 this_sequence A147231 A147232 A147233`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net), Nov 04 2008`

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Last modified December 4 12:48 EST 2009. Contains 170310 sequences.