id:A146840 - 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 1001-1111-1000 pattern in any orientation.

+0
1

1, 1, 1, 1, 1, 1, 17, 21, 525, 997, 11539, 28687, 537003 (list; graph; listen)

	OFFSET	`1,7`
	EXAMPLE	`Maximal 8 X 8 example` `.0.0.0.0.0.0.0.0` `.0.0.0.0.0.0.0.0` `.0.0.0.0.0.0.0.0` `.0.0.0.0.0.0.0.0` `.0.1.1.0.0.1.1.0` `.0.1.0.0.0.0.1.0` `.0.1.0.0.0.0.1.0` `.1.1.1.0.0.1.1.1`
	CROSSREFS	`Sequence in context: A125613 A147052 A147132 this_sequence A146587 A147256 A147163` `Adjacent sequences: A146837 A146838 A146839 this_sequence A146841 A146842 A146843`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net), Nov 04 2008`

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Last modified December 10 12:37 EST 2009. Contains 170569 sequences.