A232792 Number of (n+1)X(3+1) 0..1 arrays x(i,j) with row sums sum{j^4*x(i,j), j=1..3+1} nondecreasing, and column sums sum{i^4*x(i,j), i=1..n+1} nondecreasing

25, 130, 650, 2942, 11819, 42305, 127788, 340647, 812254, 1845329, 4090533, 8883930, 18856951, 39064639, 78110927, 150282496, 279339615, 503544700, 885775170, 1527791237, 2592456480, 4335154285, 7134155240, 11544683457

Offset

1,1

Comments

Column 3 of A232797

Links

R. H. Hardin, Table of n, a(n) for n = 1..29

Example

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

Crossrefs

Sequence in context: A365872 A232873 A232856 * A305956 A367104 A364194

Adjacent sequences: A232789 A232790 A232791 * A232793 A232794 A232795

Keyword

nonn

Author

R. H. Hardin, Nov 30 2013

Status

approved