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A233363 Number of (n+1)X(4+1) 0..1 arrays x(i,j) with row sums sum{j*x(i,j), j=1..4+1} nondecreasing, and column sums sum{i^2*x(i,j), i=1..n+1} nondecreasing 0

%I

%S 36,250,1964,16113,117318,781467,4826580,28172630,156288347,832235200,

%T 4255521920,20978491523,99962490584

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

%C Column 4 of A233366

%e Some solutions for n=5

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 08 2013

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Last modified February 19 10:03 EST 2020. Contains 332041 sequences. (Running on oeis4.)