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A147084 Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 10001-11111 pattern in any orientation. 0
1, 1, 1, 1, 15, 5, 49, 17, 413, 69, 21097, 4957, 597365, 167417, 46479458, 10293687, 14209217427, 1780809651, 3335818025813, 361684117509, 1853338605046214, 151849401091613, 2485203548826248423, 163350200078891767 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,5

LINKS

Table of n, a(n) for n=1..24.

EXAMPLE

Maximal 8 X 8 example

.1.1.0.0.0.0.1.1

.1.0.0.0.0.0.0.1

.1.0.0.0.0.0.0.1

.1.0.0.0.0.0.0.1

.1.1.0.0.0.0.1.1

.0.0.0.0.0.0.0.0

.0.0.0.0.0.0.0.0

.0.0.0.0.0.0.0.0

CROSSREFS

Sequence in context: A166209 A040215 A147422 * A147361 A147224 A147060

Adjacent sequences:  A147081 A147082 A147083 * A147085 A147086 A147087

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 04 2008

STATUS

approved

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Last modified April 19 16:40 EDT 2019. Contains 322282 sequences. (Running on oeis4.)