%I #4 Mar 31 2012 12:36:58
%S 2103364,4495376717,65121080193243,1066959581935799954,
%T 14840534395425885503779
%N Number of (n+1)X8 0..3 arrays with column and row pair sums b(i,j)=a(i,j)+a(i,j-1) and c(i,j)=a(i,j)+a(i-1,j) such that rows of b(i,j) and columns of c(i,j) are lexicographically nondecreasing
%C Column 7 of A203787
%e Some solutions for n=4
%e ..3..0..3..2..1..1..1..3....2..3..2..2..2..2..2..2....1..2..3..1..2..2..1..1
%e ..0..3..1..2..3..3..3..3....3..2..3..3..3..3..3..3....2..2..1..3..2..2..3..3
%e ..1..2..2..2..1..1..2..2....2..3..3..3..3..3..3..3....2..2..3..1..3..3..2..3
%e ..3..3..1..1..2..3..3..1....2..3..3..3..3..3..3..3....3..2..1..3..2..2..3..1
%e ..3..3..3..0..2..2..1..3....2..3..3..3..3..3..3..3....3..2..3..1..2..2..3..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Jan 05 2012
|