id:A147153 - 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 1000-1100-0111-0010 pattern in any orientation.

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1

1, 1, 1, 1, 1, 1, 1, 5, 29, 53, 103, 395, 1381, 4229, 19741, 89165, 570891, 3054965, 21029525, 147769545, 1255506947 (list; graph; listen)

	OFFSET	`1,8`
	EXAMPLE	`Maximal 8 X 8 example` `.0.0.0.1.1.0.0.0` `.0.0.1.0.1.1.0.0` `.0.1.1.1.0.1.1.0` `.1.1.0.0.0.1.0.1` `.1.0.1.0.0.0.1.1` `.0.1.1.0.1.1.1.0` `.0.0.1.1.0.1.0.0` `.0.0.0.1.1.0.0.0`
	CROSSREFS	`Sequence in context: A146829 A141374 A107003 this_sequence A115706 A031394 A103094` `Adjacent sequences: A147150 A147151 A147152 this_sequence A147154 A147155 A147156`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net), Nov 04 2008`

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Last modified December 18 21:37 EST 2009. Contains 171024 sequences.