id:A147052 - 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 0100-1101-0111 pattern in any orientation.

+0
1

1, 1, 1, 1, 1, 1, 17, 21, 509, 957, 9009, 23635, 500815, 1453635, 110991021, 410901579, 51936051799, 236370303513, 42297696189623, 235560923543349, 80009496099425831, 544930757644765859 (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` `.0.1.0.0.0.0.1.0` `.1.1.1.0.0.1.1.1` `.1.0.0.0.0.0.0.1` `.1.1.0.0.0.0.1.1`
	CROSSREFS	`Sequence in context: A138600 A050845 A125613 this_sequence A147132 A146840 A146587` `Adjacent sequences: A147049 A147050 A147051 this_sequence A147053 A147054 A147055`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net), Nov 04 2008`

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.

AT&T Labs Research