id:A147347 - OEIS Search Results

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Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 01010-11111-00100 pattern in any orientation.

+0
1

1, 1, 1, 1, 7, 1, 25, 9, 149, 33, 5089, 931, 204509, 26325, 14205068, 1129487, 2130205171, 121812575, 553442984916, 24953439069, 285966193523255, 9101315937099, 294148529555161566, 6619074013350903 (list; graph; listen)

	OFFSET	`1,5`
	EXAMPLE	`Maximal 8 X 8 example` `.0.0.0.0.0.0.0.0` `.0.0.0.0.0.0.0.0` `.0.0.0.0.0.0.0.0` `.0.1.0.0.0.0.1.0` `.0.1.1.0.0.1.1.0` `.1.1.0.0.0.0.1.1` `.0.1.1.0.0.1.1.0` `.0.1.0.0.0.0.1.0`
	CROSSREFS	`Sequence in context: A019431 A064051 A147385 this_sequence A082172 A053288 A050301` `Adjacent sequences: A147344 A147345 A147346 this_sequence A147348 A147349 A147350`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net)`

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

AT&T Labs Research