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A146698 Number of n X n binary arrays with all ones connected only in a 1100-1111-0010 pattern in any orientation. 0
1, 1, 1, 17, 49, 329, 4359, 91969, 2747799, 116126725, 8159527395, 914171765779, 153266923609199 (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

.0.0.1.1.0.0.0.0

.0.0.1.1.1.1.0.0

.0.0.0.0.1.0.1.0

.0.0.0.0.0.1.1.0

.0.1.0.0.1.0.1.1

.1.1.0.1.1.0.1.1

.0.1.1.0.1.1.0.0

.0.1.1.0.1.1.0.0

CROSSREFS

Sequence in context: A146626 A146634 A146831 * A146706 A120612 A146461

Adjacent sequences:  A146695 A146696 A146697 * A146699 A146700 A146701

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 04 2008

STATUS

approved

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Last modified September 24 22:46 EDT 2021. Contains 347651 sequences. (Running on oeis4.)