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A146706 Number of n X n binary arrays with all ones connected only in a 1100-1111-0100 pattern in any orientation. 0
1, 1, 1, 17, 49, 329, 4511, 91215, 2775809, 118081991, 8300875867, 930028727469, 155873672022641 (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

.0.0.0.0.0.0.1.0

.0.1.0.0.0.0.1.0

.0.1.0.0.0.1.1.1

.1.1.1.0.0.0.1.1

.1.1.0.0.1.1.0.0

.0.0.1.0.1.1.1.0

.1.1.1.1.0.1.0.0

.0.0.1.1.0.1.0.0

CROSSREFS

Sequence in context: A146634 A146831 A146698 * A120612 A146461 A098329

Adjacent sequences:  A146703 A146704 A146705 * A146707 A146708 A146709

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 04 2008

STATUS

approved

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Last modified January 21 04:53 EST 2020. Contains 331104 sequences. (Running on oeis4.)