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A233702
Number of (n+2)X(2+2) 0..3 arrays with no increasing sequence of length 3 horizontally, vertically, diagonally downwards or antidiagonally downwards
1
7442986, 1062275284, 144297443044, 19467107789537, 2609997970924906, 349509905164819640, 46766203338147707533, 6256380820427911740163, 836891438568071386347572, 111944533657293884018452690
OFFSET
1,1
COMMENTS
Column 2 of A233705
LINKS
EXAMPLE
Some solutions for n=1
..0..0..2..1....0..1..0..0....0..1..1..1....0..1..0..1....0..0..1..0
..0..0..1..1....1..0..0..0....1..1..1..2....1..3..3..0....0..3..0..1
..2..0..0..1....1..2..2..0....1..2..1..2....0..0..3..1....1..1..2..0
CROSSREFS
Sequence in context: A104921 A202721 A375418 * A233707 A172547 A172599
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 15 2013
STATUS
approved