A232760 Number of (n+1)X(1+1) 0..3 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

86, 561, 2834, 11863, 42958, 138943, 407544, 1105315, 2802289, 6705803, 15253456, 33149048, 69203489, 139365681, 271624913, 513974476, 946613483, 1700901689, 2987599393, 5138621445, 8668817851, 14363420954, 23402083437, 37534342033

Offset

1,1

Comments

Column 1 of A232763

Links

R. H. Hardin, Table of n, a(n) for n = 1..26

Example

Some solutions for n=4
..3..1....1..0....2..0....2..0....0..0....0..1....0..0....3..0....0..0....0..0
..1..2....2..0....0..2....0..3....1..1....2..2....1..2....0..3....3..0....0..1
..0..3....0..1....0..3....0..3....0..3....3..3....1..2....3..3....2..1....2..3
..1..3....1..2....0..3....1..3....1..3....3..3....1..3....3..3....3..1....2..3
..3..3....3..3....2..3....3..3....2..3....3..3....3..3....3..3....1..3....2..3

Crossrefs

Sequence in context: A232756 A232763 A232754 * A232680 A232678 A272379

Adjacent sequences: A232757 A232758 A232759 * A232761 A232762 A232763

Keyword

nonn

Author

R. H. Hardin, Nov 29 2013

Status

approved