id:A146696 - OEIS Search Results

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Number of n X n binary arrays symmetric under 90 degree rotation with all ones connected only in a 1100-1100-0111 pattern in any orientation.

+0
1

1, 1, 1, 1, 1, 1, 1, 15, 39, 69, 161, 595, 1935, 6509, 28979, 154855, 881531, 5028621, 31192755, 226496585, 1775509113 (list; graph; listen)

	OFFSET	`1,8`
	EXAMPLE	`Maximal 8 X 8 example` `.1.0.0.0.0.1.1.1` `.1.0.0.0.1.1.0.0` `.1.1.1.0.1.1.0.0` `.0.1.1.0.0.0.0.0` `.0.0.0.0.0.1.1.0` `.0.0.1.1.0.1.1.1` `.0.0.1.1.0.0.0.1` `.1.1.1.0.0.0.0.1`
	CROSSREFS	`Sequence in context: A121051 A139042 A020142 this_sequence A126950 A091847 A062222` `Adjacent sequences: A146693 A146694 A146695 this_sequence A146697 A146698 A146699`
	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.