The OEIS is supported by the many generous donors to the OEIS Foundation.
%I #4 Mar 31 2012 12:36:45
%S 40,6654,1877283,891142897,464328365996,242036871702096
%N Number of nX7 0..3 arrays with rows and columns lexicographically nondecreasing and every element equal to at least one horizontal or vertical neighbor
%C Column 7 of A201625
%e Some solutions for n=2
%e ..0..0..1..2..2..3..3....0..0..0..0..2..3..3....0..0..0..0..2..2..3
%e ..2..2..1..3..3..0..0....1..1..1..2..2..3..3....1..1..3..3..0..0..3
%K nonn
%O 1,1
%A _R. H. Hardin_ Dec 03 2011