%I #3 Dec 09 2013 04:39:29
%S 24,100,360,1907,6931,21765,86233,274628,965494,3146010,10444724,
%T 33097949,108522965,338311791,1086568168,3360254074,10607088651,
%U 32550672493,101662193862
%N Number of (n+1)X(4+1) 0..2 arrays with row and column sums nondecreasing, and no adjacent elements equal
%C Column 4 of A233408
%e Some solutions for n=5
%e ..0..2..0..1..0....2..0..1..2..0....0..2..0..2..0....0..1..0..2..0
%e ..2..0..2..0..1....0..1..2..0..2....2..0..1..0..1....1..0..2..0..1
%e ..0..2..0..1..2....1..0..1..2..1....0..1..2..1..0....0..2..0..2..0
%e ..1..0..1..2..1....0..1..2..1..2....2..0..1..0..2....1..0..1..0..2
%e ..0..1..2..0..2....1..2..0..2..1....0..2..0..2..1....0..2..0..2..1
%e ..2..0..1..2..1....0..1..2..1..2....2..1..2..1..2....2..0..2..0..2
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 09 2013
