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A229371 Number of nX7 0..2 arrays avoiding 11 horizontally, 22 vertically and 00 antidiagonally 1
1224, 93589, 9346997, 911301584, 89084628843, 8710922742428, 851668326534130, 83250606242790579, 8145575543947646167, 796251832574767236498, 77900125870506075981681, 7616537920070292008035552 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A229372

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..220

EXAMPLE

Some solutions for n=3

..0..0..0..0..2..2..1....0..0..0..1..0..1..0....0..0..0..1..0..0..1

..1..2..2..2..0..0..0....1..2..1..2..0..2..2....1..2..1..2..1..0..0

..2..0..0..1..2..1..2....0..0..2..1..2..1..0....0..0..0..0..1..2..1

CROSSREFS

Sequence in context: A251446 A014488 A229379 * A184038 A025407 A025405

Adjacent sequences:  A229368 A229369 A229370 * A229372 A229373 A229374

KEYWORD

nonn

AUTHOR

R. H. Hardin Sep 21 2013

STATUS

approved

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Last modified May 27 13:04 EDT 2022. Contains 354097 sequences. (Running on oeis4.)