login
Number of (n+1)X(2+1) 0..2 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
0

%I #3 Dec 01 2013 05:43:26

%S 112,1169,10020,69096,395858,1977447,8733769,35038672,129401308,

%T 446455554,1449355171,4445398493,12943299647,35960503702,95710408560,

%U 245007196179

%N Number of (n+1)X(2+1) 0..2 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

%C Column 2 of A232852

%e Some solutions for n=4

%e ..2..2..0....0..0..0....1..0..1....2..1..1....0..0..0....1..2..0....0..0..0

%e ..2..2..0....1..1..0....0..2..1....1..2..1....1..0..0....0..0..1....1..0..0

%e ..0..2..1....1..0..1....0..2..1....0..1..2....1..0..1....1..2..2....1..1..0

%e ..2..2..1....1..0..1....0..1..2....2..2..2....0..1..2....1..2..2....0..1..1

%e ..0..0..2....1..2..2....0..2..2....2..2..2....0..2..2....1..2..2....0..1..2

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 01 2013