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A232679 Number of (n+1)X(2+1) 0..3 arrays x(i,j) with row sums sum{j*x(i,j), j=1..2+1} nondecreasing, and column sums sum{i*x(i,j), i=1..n+1} nondecreasing 0

%I

%S 562,13266,252071,4171291,60818628,797893589,9620349150,107866360242,

%T 1136104293959,11345364093714,108132910877094,989116298684010

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

%C Column 2 of A232680

%e Some solutions for n=2

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 27 2013

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Last modified September 23 12:53 EDT 2020. Contains 337310 sequences. (Running on oeis4.)