A232854 Number of (n+1)X(1+1) 0..1 arrays x(i,j) with row sums sum{j^3*x(i,j), j=1..1+1} nondecreasing, and column sums sum{i^3*x(i,j), i=1..n+1} nondecreasing

7, 14, 25, 41, 61, 86, 117, 156, 204, 262, 331, 406, 492, 590, 702, 829, 972, 1124, 1292, 1476, 1679, 1901, 2144, 2401, 2677, 2974, 3294, 3639, 4009, 4400, 4812, 5250, 5715, 6210, 6735, 7292, 7867, 8473, 9111, 9781, 10486, 11227, 11992, 12791, 13627, 14501

Offset

1,1

Comments

Column 1 of A232860

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

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

Crossrefs

Sequence in context: A340796 A030414 A232871 * A232790 A095894 A104599

Adjacent sequences: A232851 A232852 A232853 * A232855 A232856 A232857

Keyword

nonn

Author

R. H. Hardin, Dec 01 2013

Status

approved