A232796 Number of (n+1)X(7+1) 0..1 arrays x(i,j) with row sums sum{j^4*x(i,j), j=1..7+1} nondecreasing, and column sums sum{i^4*x(i,j), i=1..n+1} nondecreasing

124, 3147, 127788, 6552283, 349972980, 17452506031, 738302560541, 25786803621594, 728236411637198

Offset

1,1

Comments

Column 7 of A232797

Links

Table of n, a(n) for n=1..9.

Example

Some solutions for n=3
..0..1..1..1..1..0..0..0....0..0..1..1..0..0..0..1....0..0..1..0..1..1..0..0
..0..0..1..0..0..1..1..0....0..1..1..1..0..1..1..1....0..1..0..0..1..0..1..1
..0..0..0..0..0..0..0..1....0..0..0..0..1..1..1..1....0..0..1..0..0..1..1..1
..0..0..0..1..1..1..1..1....0..0..0..0..1..1..1..1....0..0..0..1..1..1..1..1

Crossrefs

Sequence in context: A327339 A024017 A260097 * A263544 A253007 A293084

Adjacent sequences: A232793 A232794 A232795 * A232797 A232798 A232799

Keyword

nonn

Author

R. H. Hardin, Nov 30 2013

Status

approved