A232825 Number of (n+1)X(1+1) 0..1 arrays x(i,j) with row sums sum{j*x(i,j), j=1..1+1} nondecreasing, and column sums sum{i*x(i,j), i=1..n+1} nondecreasing

7, 14, 23, 36, 54, 76, 104, 138, 179, 227, 283, 349, 423, 507, 602, 707, 823, 953, 1097, 1253, 1424, 1611, 1812, 2028, 2261, 2512, 2780, 3068, 3377, 3703, 4049, 4418, 4808, 5220, 5656, 6117, 6600, 7108, 7641, 8199, 8785, 9398, 10041, 10711, 11411, 12142

Offset

1,1

Comments

Column 1 of A232831

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..1....0..0....0..0....1..0....0..0....0..0
..0..0....1..0....0..1....0..0....0..1....1..1....0..0....0..1....0..0....0..0
..0..1....1..0....0..1....1..0....0..1....1..1....0..0....0..1....0..0....0..0
..0..1....0..1....1..1....0..1....0..1....1..1....0..1....1..1....0..1....0..0
..0..1....0..1....1..1....0..1....0..1....1..1....0..1....1..1....1..1....0..0
..1..1....1..1....1..1....1..1....1..1....1..1....0..1....1..1....1..1....0..1

Crossrefs

Sequence in context: A356183 A050953 A333859 * A297663 A190779 A188383

Adjacent sequences: A232822 A232823 A232824 * A232826 A232827 A232828

Keyword

nonn

Author

R. H. Hardin, Nov 30 2013

Status

approved