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A233354
Number of (1+1)X(n+1) 0..3 arrays x(i,j) with row sums sum{x(i,j), j=1..n+1} nondecreasing, and column sums sum{i^2*x(i,j), i=1..1+1} nondecreasing
1
80, 464, 2164, 8538, 29595, 92282, 263644, 699320, 1740458, 4097792, 9188746, 19731680, 40763534, 81331302, 157237899, 295394220, 540582720, 965763678, 1687521769, 2888837286, 4852183110, 8006958320, 12996640502, 20772709470
OFFSET
1,1
COMMENTS
Row 1 of A233353
LINKS
EXAMPLE
Some solutions for n=5
..1..1..1..1..1..2....3..0..1..0..2..2....0..0..1..3..0..2....0..1..3..0..2..3
..1..1..1..3..3..3....0..1..1..2..3..3....1..1..1..1..3..3....0..0..0..3..3..3
CROSSREFS
Sequence in context: A234326 A085774 A233353 * A200432 A233351 A365887
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 07 2013
STATUS
approved