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A147494 Number of n X n binary arrays symmetric about the diagonal and under 90 degree rotation with all ones connected only in a 11101-10111 pattern in any orientation. 0
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 5, 5, 13, 13, 29, 29, 115, 115, 371, 371, 1127, 1127 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,15

LINKS

Table of n, a(n) for n=1..26.

EXAMPLE

Maximal 15 X 15 example

.0.0.0.0.0.1.1.0.1.1.0.0.0.0.0

.0.0.0.0.0.1.0.0.0.1.0.0.0.0.0

.0.0.0.0.0.1.1.0.1.1.0.0.0.0.0

.0.0.0.0.0.0.1.0.1.0.0.0.0.0.0

.0.0.0.0.0.1.1.0.1.1.0.0.0.0.0

.1.1.1.0.1.0.0.0.0.0.1.0.1.1.1

.1.0.1.1.1.0.0.0.0.0.1.1.1.0.1

.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0

.1.0.1.1.1.0.0.0.0.0.1.1.1.0.1

.1.1.1.0.1.0.0.0.0.0.1.0.1.1.1

.0.0.0.0.0.1.1.0.1.1.0.0.0.0.0

.0.0.0.0.0.0.1.0.1.0.0.0.0.0.0

.0.0.0.0.0.1.1.0.1.1.0.0.0.0.0

.0.0.0.0.0.1.0.0.0.1.0.0.0.0.0

.0.0.0.0.0.1.1.0.1.1.0.0.0.0.0

CROSSREFS

Sequence in context: A132981 A168392 A147280 * A147016 A146370 A164927

Adjacent sequences:  A147491 A147492 A147493 * A147495 A147496 A147497

KEYWORD

nonn

AUTHOR

R. H. Hardin

STATUS

approved

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Last modified June 17 06:06 EDT 2019. Contains 324183 sequences. (Running on oeis4.)