A233378 Number of (4+1)X(n+1) 0..2 arrays x(i,j) with row sums sum{x(i,j), j=1..n+1} nondecreasing, and column sums sum{i^2*x(i,j), i=1..4+1} nondecreasing.

1588, 100400, 5346837, 241678714, 9480398444, 328735086329, 10228591337373, 289091492409655

Offset

1,1

Comments

Row 4 of A233374.

Links

Table of n, a(n) for n=1..8.

Example

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

Crossrefs

Sequence in context: A213116 A224942 A224950 * A083631 A224938 A083632

Adjacent sequences: A233375 A233376 A233377 * A233379 A233380 A233381

Keyword

nonn

Author

R. H. Hardin, Dec 08 2013

Status

approved