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A188844 Number of n X n binary arrays without the pattern 0 0 1 vertically, antidiagonally or horizontally 1
2, 16, 219, 5711, 262588, 23131221, 3821933610, 1214926248918, 740978404013252, 873971605623906976, 1995026546716994781891, 8837351494869683292347918, 76024359194576916691616836771, 1271387131008663780693344655620080 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Diagonal of A188851

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..15

EXAMPLE

Some solutions for 3X3

..1..0..0....1..1..1....1..1..1....1..1..0....1..0..0....0..1..0....0..1..0

..0..1..1....1..1..0....1..0..1....1..1..1....1..1..1....1..1..1....1..1..1

..1..0..0....1..1..0....1..1..0....1..0..0....1..0..0....0..0..0....1..0..0

CROSSREFS

Sequence in context: A264543 A223638 A188688 * A187657 A047657 A233141

Adjacent sequences:  A188841 A188842 A188843 * A188845 A188846 A188847

KEYWORD

nonn

AUTHOR

R. H. Hardin Apr 12 2011

STATUS

approved

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Last modified January 24 11:34 EST 2022. Contains 350534 sequences. (Running on oeis4.)