A232791 - OEIS

A232791

Number of (n+1)X(2+1) 0..1 arrays x(i,j) with row sums sum{j^4*x(i,j), j=1..2+1} nondecreasing, and column sums sum{i^4*x(i,j), i=1..n+1} nondecreasing

14, 45, 130, 336, 785, 1682, 3147, 5503, 9093, 14712, 23367, 36381, 55596, 83178, 120578, 170723, 237631, 325525, 440905, 591178, 785662, 1032731, 1340338, 1720918, 2188248, 2758662, 3455709, 4299895, 5321516, 6544201, 7995871, 9711547

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OFFSET

1,1

COMMENTS

Column 2 of A232797

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

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

CROSSREFS

Sequence in context: A010742 A232872 A232855 * A243384 A242579 A206208

Adjacent sequences: A232788 A232789 A232790 * A232792 A232793 A232794

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 30 2013

STATUS

approved