id:A147351 - 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 01010-11111-00100 pattern in any orientation.

+0
1

1, 1, 1, 1, 1, 1, 1, 3, 13, 21, 43, 69, 199, 467, 1790, 4987 (list; graph; listen)

	OFFSET	`1,8`
	EXAMPLE	`Maximal 8 X 8 example` `.0.1.0.0.1.0.1.0` `.1.1.0.1.1.1.1.1` `.0.1.1.0.0.1.0.0` `.1.1.0.0.0.0.1.0` `.0.1.0.0.0.0.1.1` `.0.0.1.0.0.1.1.0` `.1.1.1.1.1.0.1.1` `.0.1.0.1.0.0.1.0`
	CROSSREFS	`Sequence in context: A055059 A050903 A117766 this_sequence A147097 A147105 A057589` `Adjacent sequences: A147348 A147349 A147350 this_sequence A147352 A147353 A147354`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net)`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.