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A223883 Number of nX3 0..2 arrays with row sums unimodal and column sums inverted unimodal 1

%I #4 Mar 28 2013 11:17:55

%S 22,564,11250,187019,2718572,35673854,431939504,4901224903,

%T 52724142720,542458862253,5374667759935,51561822161831,

%U 481068900940649,4380767665324085,39052633428110362,341657170980967653

%N Number of nX3 0..2 arrays with row sums unimodal and column sums inverted unimodal

%C Column 3 of A223885

%H R. H. Hardin, <a href="/A223883/b223883.txt">Table of n, a(n) for n = 1..47</a>

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Mar 28 2013

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Last modified April 19 16:03 EDT 2024. Contains 371794 sequences. (Running on oeis4.)