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A233598 Number of (n+2)X(4+2) 0..2 arrays with no increasing sequence of length 3 horizontally, vertically or antidiagonally downwards 1
171455430, 73856970690, 31089670720384, 13036676136198570, 5457144376641532163, 2283486525774040837846, 955374780755516442029392, 399700509452316587377052436, 167221148903938599277866656392 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A233602

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

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

CROSSREFS

Sequence in context: A258956 A096536 A104331 * A187316 A306875 A251999

Adjacent sequences:  A233595 A233596 A233597 * A233599 A233600 A233601

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 14 2013

STATUS

approved

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Last modified June 27 09:26 EDT 2022. Contains 354893 sequences. (Running on oeis4.)