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A234193 Number of (n+2)X(3+2) 0..3 arrays with no increasing sequence of length 3 horizontally, diagonally downwards or antidiagonally downwards 1
419125848, 244346936321, 138268664434880, 77982317263392032, 43876333157141621192, 24677029734327048142633, 13875767412104735555136424, 7801937784020534863813964416, 4386714890323535267228362223256 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 3 of A234196
LINKS
EXAMPLE
Some solutions for n=1
..0..0..0..1..0....0..0..0..1..0....0..0..0..1..0....0..0..1..1..0
..1..0..0..0..2....1..0..2..1..0....0..0..3..0..0....0..0..3..0..0
..1..0..1..1..2....0..2..0..1..0....3..1..1..0..0....0..1..1..2..1
CROSSREFS
Sequence in context: A101770 A323537 A186795 * A166024 A234396 A017408
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 21 2013
STATUS
approved

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Last modified July 15 12:56 EDT 2024. Contains 374332 sequences. (Running on oeis4.)