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A234057
Number of (3+2) X (n+2) 0..2 arrays with no increasing sequence of length 3 horizontally, diagonally downwards or antidiagonally downwards.
1
9780884, 1539009351, 244179417600, 38905863275507, 6195468706439527, 986298836184525375, 156985597510757236203, 24986619253233455304754, 3976912137839155800033872, 632971207522246345463957145
OFFSET
1,1
COMMENTS
Row 3 of A234054.
LINKS
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..2....0..2..1....0..0..2....0..2..1....0..0..0....0..0..1....0..2..1
..2..2..0....2..1..2....0..0..0....0..0..1....2..0..2....0..1..1....0..2..1
..2..0..1....2..1..0....1..2..1....1..0..2....2..2..0....2..0..1....2..1..0
..0..1..1....0..0..2....1..2..1....1..2..0....1..1..0....0..0..0....2..1..0
CROSSREFS
Sequence in context: A017338 A017458 A017590 * A214014 A339478 A072867
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 19 2013
STATUS
approved