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A201140
Number of nX6 0..5 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other
0
1, 51, 758, 13009, 120096, 1268728, 8360853, 58395657, 309819522, 1599103606, 6891312239, 29648211631, 108584697209, 395584327260, 1292379405268, 4136956355752, 12134954233672, 35217094178978
OFFSET
1,2
COMMENTS
Column 6 of A201142
EXAMPLE
Some solutions for n=4
..0..0..0..0..3..4....0..0..1..1..2..3....0..0..0..1..2..4....0..0..0..0..3..3
..1..1..2..2..3..4....0..0..1..2..3..3....0..1..1..2..3..4....1..1..2..2..4..4
..1..1..2..2..4..5....1..2..4..4..5..5....1..2..2..3..3..4....1..2..3..3..4..5
..3..3..4..5..5..5....2..3..4..4..5..5....3..4..5..5..5..5....1..2..4..5..5..5
CROSSREFS
Sequence in context: A232020 A210176 A224474 * A210079 A201832 A317651
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 27 2011
STATUS
approved