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A146666 Number of n X n binary arrays with all ones connected only in a 1100-0111-0110 pattern in any orientation. 0
1, 1, 1, 17, 49, 253, 3643, 105629, 2607651, 96901053, 7295653475, 891089127445, 144757991075787 (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

.0.0.1.0.0.0.0.0

.1.1.1.0.0.0.1.0

.1.1.0.0.0.0.1.1

.0.1.0.0.0.1.1.1

.0.0.0.0.0.1.0.0

.0.1.1.0.0.0.1.1

.1.1.1.0.1.1.1.0

.0.0.1.1.0.1.1.0

CROSSREFS

Sequence in context: A147217 A147051 A146855 * A146730 A146862 A146586

Adjacent sequences:  A146663 A146664 A146665 * A146667 A146668 A146669

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 04 2008

STATUS

approved

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Last modified January 27 19:29 EST 2022. Contains 350611 sequences. (Running on oeis4.)