id:A147061 - OEIS Search Results

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Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in a 01010-11111 pattern in any orientation.

+0
1

1, 1, 1, 1, 5, 1, 10, 1, 26, 1, 220, 25, 1716, 153, 23943, 1076, 485243, 13889, 10665112, 185108, 364094762, 4253039, 18497655767, 156271576, 1302420306077, 7383352471 (list; graph; listen)

	OFFSET	`1,5`
	EXAMPLE	`Maximal 9 X 9 example` `.0.0.1.1.1.1.1.0.0` `.0.0.0.1.0.1.0.0.0` `.0.0.1.0.0.0.1.0.0` `.0.0.1.1.0.1.1.0.0` `.0.0.1.0.0.0.1.0.0` `.0.0.1.1.0.1.1.0.0` `.0.0.1.0.0.0.1.0.0` `.0.0.0.1.0.1.0.0.0` `.0.0.1.1.1.1.1.0.0`
	CROSSREFS	`Sequence in context: A105086 A147362 A147225 this_sequence A147386 A145759 A131414` `Adjacent sequences: A147058 A147059 A147060 this_sequence A147062 A147063 A147064`
	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.

AT&T Labs Research