id:A147362 - 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 01110-11111 pattern in any orientation.

+0
1

1, 1, 1, 1, 5, 1, 10, 1, 26, 1, 216, 25, 1652, 141, 19963, 756, 394431, 10461, 8267041, 137862, 246247606, 2668563, 11800979307, 89609916 (list; graph; listen)

	OFFSET	`1,5`
	EXAMPLE	`Maximal 9 X 9 example` `.0.0.0.1.1.1.0.0.0` `.0.0.1.1.1.1.1.0.0` `.1.0.0.0.0.0.0.0.1` `.1.1.0.0.0.0.0.1.1` `.1.1.0.0.0.0.0.1.1` `.1.1.0.0.0.0.0.1.1` `.1.0.0.0.0.0.0.0.1` `.0.0.1.1.1.1.1.0.0` `.0.0.0.1.1.1.0.0.0`
	CROSSREFS	`Sequence in context: A146070 A040029 A105086 this_sequence A147225 A147061 A147386` `Adjacent sequences: A147359 A147360 A147361 this_sequence A147363 A147364 A147365`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net)`

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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.

AT&T Labs Research