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A146714 Number of n X n binary arrays with all ones connected only in a 1100-1111-1000 pattern in any orientation. 0
1, 1, 1, 17, 53, 349, 4017, 76237, 2269673, 85654393, 5118155241, 486408820327, 69014385732571 (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

.0.0.0.0.1.1.0.0

.0.0.0.0.1.1.1.1

.0.0.0.0.1.0.0.0

.0.0.0.0.0.0.1.1

.1.1.1.0.1.1.1.1

.1.1.0.1.0.0.0.1

.0.1.0.1.1.1.1.0

.0.1.0.1.1.0.0.0

CROSSREFS

Sequence in context: A146642 A146610 A146847 * A146397 A146405 A228244

Adjacent sequences:  A146711 A146712 A146713 * A146715 A146716 A146717

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 04 2008

STATUS

approved

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Last modified August 11 15:10 EDT 2022. Contains 356066 sequences. (Running on oeis4.)