A232849 Number of (n+1)X(1+1) 0..2 arrays x(i,j) with row sums sum{j^4*x(i,j), j=1..1+1} nondecreasing, and column sums sum{i^4*x(i,j), i=1..n+1} nondecreasing

29, 112, 356, 960, 2307, 5078, 10265, 19632, 35694, 62317, 104971, 170736, 269815, 415810, 625923, 923930, 1339958, 1911980, 2686162, 3721083, 5089904, 6879942, 9196707, 12169730, 15946892, 20711810, 26672412, 34082534, 43239305, 54478386

Offset

1,1

Comments

Column 1 of A232852

Links

R. H. Hardin, Table of n, a(n) for n = 1..76

Example

Some solutions for n=5
..1..0....0..0....1..0....1..0....0..0....0..0....0..0....1..0....1..0....0..0
..1..1....1..0....0..2....1..0....0..0....1..0....0..0....0..1....1..0....1..1
..2..1....1..0....1..2....2..0....2..0....1..1....0..0....0..2....2..1....1..1
..1..2....1..0....2..2....2..0....1..1....2..1....0..0....0..2....0..2....1..1
..2..2....1..2....2..2....1..1....0..2....2..1....0..2....0..2....2..2....1..1
..2..2....2..2....2..2....0..2....1..2....1..2....0..2....2..2....2..2....2..2

Crossrefs

Sequence in context: A233117 A209880 A232784 * A233118 A338023 A139946

Adjacent sequences: A232846 A232847 A232848 * A232850 A232851 A232852

Keyword

nonn

Author

R. H. Hardin, Dec 01 2013

Status

approved