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A147385 Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 10001-11111-00100 pattern in any orientation. +0
1
1, 1, 1, 1, 7, 1, 25, 9, 112, 27, 3654, 849, 113270, 25721, 4179283 (list; graph; listen)
OFFSET

1,5

EXAMPLE

Maximal 8 X 8 example

.0.1.1.0.0.1.1.0

.0.1.0.0.0.0.1.0

.1.1.0.0.0.0.1.1

.0.1.0.0.0.0.1.0

.0.1.1.0.0.1.1.0

.0.0.0.0.0.0.0.0

.0.0.0.0.0.0.0.0

.0.0.0.0.0.0.0.0

CROSSREFS

Sequence in context: A050310 A019431 A064051 this_sequence A147347 A082172 A053288

Adjacent sequences: A147382 A147383 A147384 this_sequence A147386 A147387 A147388

KEYWORD

nonn

AUTHOR

Ron Hardin (rhhardin(AT)att.net)

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Last modified December 5 23:38 EST 2009. Contains 170428 sequences.


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