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A232707 Number of (n+1)X(2+1) 0..3 arrays x(i,j) with row sums sum{j^2*x(i,j), j=1..2+1} nondecreasing, and column sums sum{i^2*x(i,j), i=1..n+1} nondecreasing 0

%I #3 Nov 28 2013 05:13:43

%S 542,13471,254980,3880262,49992862,560453801,5577852948,50123631166,

%T 412062537867

%N Number of (n+1)X(2+1) 0..3 arrays x(i,j) with row sums sum{j^2*x(i,j), j=1..2+1} nondecreasing, and column sums sum{i^2*x(i,j), i=1..n+1} nondecreasing

%C Column 2 of A232708

%e Some solutions for n=2

%e ..2..1..0....0..3..0....2..0..1....3..1..0....2..2..2....0..0..0....3..1..1

%e ..1..0..3....1..3..1....2..2..2....2..1..2....3..2..3....3..3..0....0..1..2

%e ..1..2..3....0..0..3....0..1..3....0..2..3....1..3..3....0..0..2....1..2..2

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 28 2013

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Last modified September 15 22:11 EDT 2024. Contains 375959 sequences. (Running on oeis4.)