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A234056 Number of (2+2)X(n+2) 0..2 arrays with no increasing sequence of length 3 horizontally, diagonally downwards or antidiagonally downwards 1
402000, 23857470, 1425517650, 85374621482, 5109216554257, 305711881527997, 18290072795884688, 1094247314313409438, 65465147970699360649, 3916554430848201277811, 234313581827486451826841 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 2 of A234054

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=1

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

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

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

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

CROSSREFS

Sequence in context: A205094 A234419 A096890 * A157826 A215998 A186606

Adjacent sequences:  A234053 A234054 A234055 * A234057 A234058 A234059

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 19 2013

STATUS

approved

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Last modified November 19 08:44 EST 2019. Contains 329318 sequences. (Running on oeis4.)