id:A147200 - OEIS Search Results

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Number of n X n binary arrays symmetric under 180 degree rotation with all ones connected only in a 1100-0100-0111-0001 pattern in any orientation.

+0
1

1, 1, 1, 1, 1, 5, 13, 45, 141, 593, 2479, 13149, 73679, 588757, 5000629, 56709831, 657094563 (list; graph; listen)

	OFFSET	`1,6`
	EXAMPLE	`Maximal 8 X 8 example` `.0.0.1.1.0.0.1.1` `.0.0.1.0.0.0.1.0` `.1.1.1.0.1.1.1.0` `.1.0.0.0.1.0.0.0` `.0.0.0.1.0.0.0.1` `.0.1.1.1.0.1.1.1` `.0.1.0.0.0.1.0.0` `.1.1.0.0.1.1.0.0`
	CROSSREFS	`Sequence in context: A113835 A006349 A052899 this_sequence A147396 A099972 A060050` `Adjacent sequences: A147197 A147198 A147199 this_sequence A147201 A147202 A147203`
	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.