A232790 Number of (n+1)X(1+1) 0..1 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

7, 14, 25, 41, 63, 92, 124, 164, 212, 270, 339, 420, 514, 618, 732, 860, 1004, 1164, 1342, 1539, 1756, 1985, 2232, 2500, 2790, 3103, 3441, 3804, 4194, 4599, 5029, 5487, 5973, 6490, 7038, 7619, 8233, 8865, 9529, 10228, 10963, 11734, 12544, 13393, 14269, 15180

Offset

1,1

Comments

Column 1 of A232797

Links

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

Example

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

Crossrefs

Sequence in context: A030414 A232871 A232854 * A095894 A104599 A115874

Adjacent sequences: A232787 A232788 A232789 * A232791 A232792 A232793

Keyword

nonn

Author

R. H. Hardin, Nov 30 2013

Status

approved