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A233377
Number of (3+1)X(n+1) 0..2 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..3+1} nondecreasing.
1
444, 10496, 202692, 3297833, 46482312, 579835701, 6509469538, 66642934268, 628883018246, 5518306278777, 45357047785845, 351381939241378, 2579374029688225, 18023614609572379, 120364975288294768
OFFSET
1,1
COMMENTS
Row 3 of A233374.
LINKS
EXAMPLE
Some solutions for n=2
..1..2..0....1..0..2....0..0..2....2..0..0....1..1..0....1..1..0....0..0..2
..1..2..1....2..0..2....2..1..0....2..0..0....0..0..2....1..1..0....2..2..0
..1..2..1....2..0..2....1..1..1....0..1..1....0..1..1....1..1..2....0..2..2
..1..1..2....0..2..2....0..1..2....0..1..2....0..2..2....2..2..2....1..1..2
CROSSREFS
Sequence in context: A043507 A233711 A251294 * A098255 A028460 A292139
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 08 2013
STATUS
approved