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A224122 Number of nX4 0..3 arrays with row sums nondecreasing and column sums unimodal 0

%I #3 Mar 31 2013 05:23:36

%S 130,16782,1703178,145901795,11066001160,766386005577,49489265853382,

%T 3023718149469925,176685707320506238,9953671018445272136

%N Number of nX4 0..3 arrays with row sums nondecreasing and column sums unimodal

%C Column 4 of A224123

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Mar 31 2013

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Last modified April 18 04:24 EDT 2024. Contains 371767 sequences. (Running on oeis4.)