A233058 Number of (n+1)X(1+1) 0..1 arrays x(i,j) with row sums sum{x(i,j), j=1..1+1} nondecreasing, and column sums sum{i*x(i,j), i=1..n+1} nondecreasing.

7, 16, 33, 66, 132, 265, 530, 1052, 2092, 4183, 8354, 16635, 33179, 66383, 132711, 264751, 528676, 1057904, 2115653, 4224206, 8439821, 16888361, 33778253, 67474289, 134850638, 269827760, 539703540, 1078399254, 2155614282, 4313028554

Offset: 1

Author

R. H. Hardin, Dec 03 2013

Keywords

• nonn

Comments

Column 1 of A233062

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..68