id:A147352 - 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 01010-11111-00100 pattern in any orientation.

+0
1

1, 1, 1, 1, 1, 9, 13, 35, 115, 509, 1869, 11373, 63633, 550775, 4084072, 49640647, 508023623, 8372503581 (list; graph; listen)

	OFFSET	`1,6`
	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: A146739 A146723 A146422 this_sequence A147391 A146225 A160118` `Adjacent sequences: A147349 A147350 A147351 this_sequence A147353 A147354 A147355`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net)`

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