id:A146619 - 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 pattern in any orientation.

+0
1

1, 1, 1, 7, 5, 29, 17, 229, 435, 11673, 13907, 525361, 673479, 94102915, 98332589, 24274612029, 24632647889, 11463377696197, 15275499402585, 14840749743707725, 19628783151131753, 35553199302440544313, 48796642845817392973 (list; graph; listen)

	OFFSET	`1,4`
	EXAMPLE	`Maximal 8 X 8 example` `.0.0.1.0.0.1.0.0` `.0.0.1.1.1.1.0.0` `.1.1.0.0.0.0.1.1` `.1.0.1.1.1.1.0.1` `.1.0.1.0.0.1.0.1` `.1.1.0.0.0.0.1.1` `.0.0.1.0.0.1.0.0` `.0.0.1.1.1.1.0.0`
	CROSSREFS	`Sequence in context: A078747 A145396 A120404 this_sequence A059990 A070426 A142883` `Adjacent sequences: A146616 A146617 A146618 this_sequence A146620 A146621 A146622`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net), Nov 04 2008`

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

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