%I #4 Nov 25 2014 20:14:07
%S 157464,2099520,27993600,373248000,2592000000,18000000000,
%T 125000000000,590625000000,2790703125000,13186072265625,
%U 48243443062500,176506677018000,645779095649856,1968088672456704,5997984525582336
%N Number of (n+2)X(2+2) 0..2 arrays with nondecreasing sum of every three consecutive values in every row and column
%C Column 2 of A250601
%H R. H. Hardin, <a href="/A250595/b250595.txt">Table of n, a(n) for n = 1..80</a>
%e Some solutions for n=1
%e ..0..2..2..1....1..0..2..1....0..1..2..1....0..1..0..2....0..2..2..1
%e ..0..0..1..0....0..0..2..0....0..2..1..0....1..1..1..2....1..1..0..2
%e ..0..1..1..0....2..2..0..2....1..1..1..2....0..2..2..1....0..0..2..2
%K nonn
%O 1,1
%A _R. H. Hardin_, Nov 25 2014
