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A233617 Number of (n+2)X(7+2) 0..2 arrays with no increasing sequence of length 3 horizontally or diagonally downwards 1
2555252447715, 29320690351065445, 333687213953551022545, 3795208453266491188651365, 43154380460437147553733185891, 490686983642703696091848306482022, 5579329268797957710001574591451050376 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A233618

LINKS

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

EXAMPLE

Some solutions for n=1

..0..0..0..0..0..0..0..0..0....0..0..0..0..0..0..0..0..0

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

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

CROSSREFS

Sequence in context: A317289 A136174 A233496 * A323052 A015434 A017292

Adjacent sequences:  A233614 A233615 A233616 * A233618 A233619 A233620

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 14 2013

STATUS

approved

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Last modified February 19 09:33 EST 2020. Contains 332041 sequences. (Running on oeis4.)