%I #4 Nov 26 2014 09:57:45
%S 13456,712806,32944614,1223112064,41645945389,1297010595743,
%T 38406061258495,1087877705486708,29903210113757561,801697319294422283,
%U 21097777066198246602,546827766427867845789,14004897753755987170007
%N Number of (n+1)X(4+1) 0..2 arrays with nondecreasing maximum of every two consecutive values in every row and column
%C Column 4 of A250620
%H R. H. Hardin, <a href="/A250616/b250616.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=1
%e ..1..0..1..0..2....0..0..1..1..1....2..2..0..2..1....0..1..1..0..1
%e ..2..0..2..2..0....2..2..1..2..1....1..2..0..2..2....0..0..0..2..2
%K nonn
%O 1,1
%A _R. H. Hardin_, Nov 26 2014