A232784 Number of (n+1)X(1+1) 0..2 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

29, 112, 350, 938, 2245, 4897, 9932, 19033, 34678, 60442, 101564, 165022, 260793, 402167, 606492, 896049, 1300110, 1854827, 2606409, 3610628, 4937580, 6671629, 8917134, 11798056, 15462182, 20083501, 25871527, 33067654, 41958507, 52873468

Offset

1,1

Comments

Column 1 of A232787

Links

R. H. Hardin, Table of n, a(n) for n = 1..74

Example

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

Crossrefs

Sequence in context: A232852 A233117 A209880 * A232849 A233118 A338023

Adjacent sequences: A232781 A232782 A232783 * A232785 A232786 A232787

Keyword

nonn

Author

R. H. Hardin, Nov 30 2013

Status

approved