A232780 Number of (n+1)X(1+1) 0..2 arrays x(i,j) with row sums sum{j^2*x(i,j), j=1..1+1} nondecreasing, and column sums sum{i^2*x(i,j), i=1..n+1} nondecreasing

29, 110, 338, 898, 2139, 4667, 9450, 18046, 32763, 57062, 95885, 155991, 246809, 380608, 573789, 847563, 1229220, 1753394, 2463291, 3412633, 4667474, 6308592, 8433051, 11157362, 14622029, 18993121, 24467077, 31273565, 39680313, 50001421

Offset

1,1

Comments

Column 1 of A232783

Links

R. H. Hardin, Table of n, a(n) for n = 1..75

Example

Some solutions for n=6
..0..0....1..0....0..0....0..0....0..0....0..1....1..0....1..0....0..0....0..0
..0..0....0..1....0..1....1..0....0..0....0..1....1..0....2..0....2..0....0..0
..1..0....2..1....0..1....0..1....0..0....0..1....1..0....2..0....0..1....0..0
..1..1....2..1....2..1....0..1....0..0....0..2....1..1....2..0....2..1....0..0
..0..2....0..2....1..2....0..1....1..0....0..2....2..1....2..1....2..1....2..0
..0..2....2..2....1..2....2..1....0..2....1..2....1..2....0..2....0..2....0..1
..1..2....2..2....1..2....2..2....1..2....1..2....1..2....0..2....1..2....0..2

Crossrefs

Sequence in context: A010017 A256648 A297508 * A232787 A232852 A233117

Adjacent sequences: A232777 A232778 A232779 * A232781 A232782 A232783

Keyword

nonn

Author

R. H. Hardin, Nov 30 2013

Status

approved