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A232889
Number of (3+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*x(i,j), i=1..3+1} nondecreasing
0
3473, 280325, 18692802, 1063222171, 53153482029, 2386893457725, 97901143731315, 3715353311254930, 131807806047496905, 4407809340492322944
OFFSET
1,1
COMMENTS
Row 3 of A232886
EXAMPLE
Some solutions for n=1
..0..0....2..2....0..0....1..0....1..2....0..1....0..3....1..1....2..0....3..0
..0..1....1..3....1..0....0..3....2..3....1..2....2..3....0..3....0..3....1..2
..2..2....1..3....1..2....3..0....3..3....0..3....2..3....1..2....2..1....2..1
..2..3....3..2....0..3....1..3....3..3....2..1....3..3....2..2....1..3....1..2
CROSSREFS
Sequence in context: A237546 A253365 A109484 * A328817 A159215 A176380
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 02 2013
STATUS
approved