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 A232790 Number of (n+1)X(1+1) 0..1 arrays x(i,j) with row sums sum{j^4*x(i,j), j=1..1+1} nondecreasing, and column sums sum{i^4*x(i,j), i=1..n+1} nondecreasing 1

%I

%S 7,14,25,41,63,92,124,164,212,270,339,420,514,618,732,860,1004,1164,

%T 1342,1539,1756,1985,2232,2500,2790,3103,3441,3804,4194,4599,5029,

%U 5487,5973,6490,7038,7619,8233,8865,9529,10228,10963,11734,12544,13393,14269,15180

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

%C Column 1 of A232797

%H R. H. Hardin, <a href="/A232790/b232790.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 30 2013

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Last modified November 27 14:41 EST 2022. Contains 358405 sequences. (Running on oeis4.)