id:A146902 - OEIS Search Results

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Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 0010-1110-0111-0100 pattern in any orientation.

+0
1

1, 1, 1, 1, 1, 1, 1, 1, 21, 33, 169, 271, 1427, 2719, 19923, 41145, 1164335, 2872687, 96665317, 273847235, 9740767609, 31500367345, 1586820300667, 5818312961823, 565090352547181, 2386581867483507, 366376672212858833, 1779376151775593621 (list; graph; listen)

	OFFSET	`1,9`
	EXAMPLE	`Maximal 9 X 9 example` `.0.1.0.0.0.0.0.1.0` `.0.1.1.1.0.1.1.1.0` `.1.1.1.0.0.0.1.1.1` `.0.0.1.0.0.0.1.0.0` `.0.0.0.0.0.0.0.0.0` `.0.1.0.0.0.0.0.1.0` `.0.1.1.1.0.1.1.1.0` `.1.1.1.0.0.0.1.1.1` `.0.0.1.0.0.0.1.0.0`
	CROSSREFS	`Sequence in context: A033901 A033656 A032792 this_sequence A146910 A167397 A135595` `Adjacent sequences: A146899 A146900 A146901 this_sequence A146903 A146904 A146905`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net), Nov 04 2008`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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