%I #8 Apr 25 2024 13:26:16
%S 3,183,10833,513903,39612503,8459809773,360255871643,37057831534783,
%T 4131064166006823,431284911997558083,48321459222257750543
%N Number of n X 6 0..2 arrays with row sums equal and column sums equal.
%e Some solutions for n=5:
%e ..2..1..0..2..1..0....2..0..2..2..0..0....0..2..1..0..2..1....1..2..1..1..0..1
%e ..0..1..0..2..2..1....2..0..0..1..2..1....1..0..1..1..1..2....1..2..2..1..0..0
%e ..0..0..1..1..2..2....1..1..2..0..0..2....2..2..2..0..0..0....1..1..1..1..1..1
%e ..1..1..2..0..0..2....0..2..0..0..2..2....1..0..0..2..2..1....1..0..1..1..2..1
%e ..2..2..2..0..0..0....0..2..1..2..1..0....1..1..1..2..0..1....1..0..0..1..2..2
%Y Column 6 of A203564.
%K nonn,more
%O 1,1
%A _R. H. Hardin_, Jan 03 2012