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A224063 Number of nX7 0..3 arrays with rows, columns and antidiagonals unimodal and diagonals nondecreasing 0
1163, 180821, 6643979, 114643788, 1274747540, 11060805360, 83942450048, 591725806925, 3973992584299, 25579886531225, 157381574935619, 920939113739591 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A224064
LINKS
EXAMPLE
Some solutions for n=3
..0..0..0..0..0..2..0....0..0..0..0..0..1..0....0..0..0..0..0..0..1
..0..0..0..0..0..3..2....0..0..0..2..2..2..3....0..0..0..1..1..2..1
..0..0..0..0..1..2..3....0..0..0..1..2..3..2....0..0..0..1..2..3..3
CROSSREFS
Sequence in context: A224172 A223863 A223986 * A224049 A224280 A224203
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 30 2013
STATUS
approved

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Last modified July 13 09:39 EDT 2024. Contains 374274 sequences. (Running on oeis4.)