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A146389 Number of n X n binary arrays with all ones connected only in a 1000-1100-0111 pattern in any orientation. 0
1, 1, 1, 17, 85, 693, 9501, 265597, 10400895, 596407005, 55252492651 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

LINKS

Table of n, a(n) for n=1..11.

EXAMPLE

Maximal 8 X 8 example

.0.1.1.0.1.1.1.0

.1.1.0.0.0.0.1.1

.1.0.0.1.1.1.0.1

.1.0.0.0.0.1.1.0

.0.1.1.0.0.0.1.0

.1.1.0.1.1.1.0.1

.1.0.1.1.0.0.1.1

.1.0.1.0.1.1.1.0

CROSSREFS

Sequence in context: A212487 A288420 A156157 * A041554 A080770 A118863

Adjacent sequences:  A146386 A146387 A146388 * A146390 A146391 A146392

KEYWORD

nonn

AUTHOR

R. H. Hardin

STATUS

approved

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Last modified June 18 06:56 EDT 2019. Contains 324203 sequences. (Running on oeis4.)