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A233364 Number of (n+1)X(5+1) 0..1 arrays x(i,j) with row sums sum{j*x(i,j), j=1..5+1} nondecreasing, and column sums sum{i^2*x(i,j), i=1..n+1} nondecreasing 0

%I #3 Dec 08 2013 06:21:57

%S 54,530,6412,91448,1206656,15009944,173151602,1874799298,19099723173,

%T 185262737712

%N Number of (n+1)X(5+1) 0..1 arrays x(i,j) with row sums sum{j*x(i,j), j=1..5+1} nondecreasing, and column sums sum{i^2*x(i,j), i=1..n+1} nondecreasing

%C Column 5 of A233366

%e Some solutions for n=4

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 08 2013

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Last modified April 19 16:38 EDT 2024. Contains 371794 sequences. (Running on oeis4.)