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A233703 Number of (n+2)X(3+2) 0..3 arrays with no increasing sequence of length 3 horizontally, vertically, diagonally downwards or antidiagonally downwards 1
336085716, 153005653333, 64757179869158, 27085905767473141, 11212752865793034944, 4631460210359384478490, 1910166828569356248670720, 787520591294663746255808417, 324604863253952019036640374588 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 3 of A233705
LINKS
EXAMPLE
Some solutions for n=1
..0..0..0..3..3....0..0..0..2..0....0..0..0..2..2....0..0..0..2..2
..0..0..0..2..2....0..0..0..0..1....0..0..0..0..3....0..0..0..3..0
..1..2..0..0..2....0..2..1..0..1....3..0..0..2..1....3..2..2..1..3
CROSSREFS
Sequence in context: A353541 A271112 A337385 * A230085 A204337 A113739
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 15 2013
STATUS
approved

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Last modified March 28 18:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)