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A146381 Number of n X n binary arrays with all ones connected only in a 0110-1111 pattern in any orientation. 0
1, 1, 1, 13, 69, 528, 7033, 141904, 4322355, 197401178, 13868215311, 1479290583806, 238998054376606 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

LINKS

Table of n, a(n) for n=1..13.

EXAMPLE

Maximal 8 X 8 example

.1.0.1.1.1.1.0.0

.1.1.0.1.1.0.0.0

.1.1.0.0.0.0.0.1

.1.0.0.1.0.0.1.1

.0.1.0.1.1.0.1.1

.1.1.0.1.1.0.0.1

.1.1.0.1.0.1.1.0

.0.1.0.0.1.1.1.1

CROSSREFS

Sequence in context: A055880 A105058 A146469 * A085461 A081860 A050403

Adjacent sequences:  A146378 A146379 A146380 * A146382 A146383 A146384

KEYWORD

nonn

AUTHOR

R. H. Hardin

STATUS

approved

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Last modified October 19 13:23 EDT 2021. Contains 348088 sequences. (Running on oeis4.)