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A146594 Number of n X n binary arrays with all ones connected only in a 1000-1000-1111 pattern in any orientation. 0
1, 1, 1, 17, 77, 549, 6061, 126381, 3867721, 164716773, 10591661407, 1060530627501 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

LINKS

Table of n, a(n) for n=1..12.

EXAMPLE

Maximal 8 X 8 example

.1.1.1.1.0.1.1.1

.1.0.0.0.0.0.0.1

.1.0.0.0.0.0.0.1

.0.0.0.0.0.1.0.1

.1.0.0.0.0.1.0.0

.1.0.1.1.1.1.0.1

.1.0.0.0.0.0.0.1

.1.1.1.0.1.1.1.1

CROSSREFS

Sequence in context: A296113 A231779 A063494 * A202138 A124898 A036429

Adjacent sequences:  A146591 A146592 A146593 * A146595 A146596 A146597

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 04 2008

STATUS

approved

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Last modified October 18 07:00 EDT 2018. Contains 316307 sequences. (Running on oeis4.)