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A233601 Number of (n+2)X(7+2) 0..2 arrays with no increasing sequence of length 3 horizontally, vertically or antidiagonally downwards 1
1924641376011, 16020595216911881, 128221861876679372095, 1018837814576470768593230, 8068147654825511240437884344, 63838038364605732495536034257283, 504952565127306851299571097075003261 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A233602

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..43

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A017543 A333977 A233609 * A233850 A274808 A272518

Adjacent sequences:  A233598 A233599 A233600 * A233602 A233603 A233604

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 14 2013

STATUS

approved

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Last modified September 29 15:17 EDT 2020. Contains 337432 sequences. (Running on oeis4.)