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A188600 Number of n X n binary arrays without the pattern 1 1 0 diagonally, vertically, antidiagonally or horizontally 0
2, 16, 211, 4914, 181626, 11895711, 1318303126, 260970703443, 90649351648443, 56467754515732171, 62670898425586313650, 124996110915469809369126 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Diagonal of A188607

LINKS

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

EXAMPLE

Some solutions for 3X3

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

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

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

CROSSREFS

Sequence in context: A087923 A222523 A004121 * A206930 A206865 A349313

Adjacent sequences:  A188597 A188598 A188599 * A188601 A188602 A188603

KEYWORD

nonn

AUTHOR

R. H. Hardin Apr 05 2011

STATUS

approved

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Last modified January 21 08:23 EST 2022. Contains 350475 sequences. (Running on oeis4.)