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A229868 Number of n X n 0..4 arrays with corresponding row and column sums equal 0

%I

%S 5,125,40625,266515625,36821326171875,110831249753697265625

%N Number of n X n 0..4 arrays with corresponding row and column sums equal

%C Column 4 of A229870

%e Some solutions for n=4

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

%e ..0..0..2..1....0..0..2..1....0..0..1..2....0..0..2..0....0..0..4..1

%e ..1..2..4..0....2..2..3..2....1..0..2..4....0..2..2..4....1..4..0..0

%e ..0..1..1..0....0..1..3..0....0..3..3..4....1..0..3..2....0..1..0..0

%K nonn

%O 1,1

%A _R. H. Hardin_, Oct 01 2013

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Last modified October 25 17:22 EDT 2021. Contains 348255 sequences. (Running on oeis4.)