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A250861 Number of (n+2)X(1+2) 0..3 arrays with nondecreasing sum of every three consecutive values in every row and column 2

%I #4 Nov 28 2014 09:35:43

%S 262144,4096000,64000000,1000000000,8000000000,64000000000,

%T 512000000000,2744000000000,14706125000000,78815638671875,

%U 322828856000000,1322306994176000,5416169448144896,18279571887489024,61693555120275456

%N Number of (n+2)X(1+2) 0..3 arrays with nondecreasing sum of every three consecutive values in every row and column

%C Column 1 of A250868

%H R. H. Hardin, <a href="/A250861/b250861.txt">Table of n, a(n) for n = 1..94</a>

%e Some solutions for n=1

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 28 2014

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Last modified March 28 10:31 EDT 2024. Contains 371240 sequences. (Running on oeis4.)