A203029 - OEIS

%I #6 Mar 31 2012 12:36:54

%S 324,57100,8536230,1267847188,189412482924,28369308592126,

%T 4274880689220682,646748880898087204,98179070181179827284

%N Number of nX5 0..3 arrays with row sums equal and column sums unequal to adjacent columns

%C Column 5 of A203031

%e Some.solutions.for.n=5

%e ..3..1..1..3..3....1..2..2..2..1....3..1..3..2..0....2..0..0..2..2

%e ..0..2..3..3..3....2..3..3..0..0....2..2..3..0..2....1..3..0..0..2

%e ..0..2..3..3..3....3..0..0..2..3....1..3..3..2..0....1..0..0..3..2

%e ..3..1..1..3..3....3..3..2..0..0....0..3..2..1..3....3..2..0..1..0

%e ..2..3..3..2..1....0..3..2..1..2....2..3..3..0..1....0..1..2..2..1

%K nonn

%O 1,1

%A _R. H. Hardin_ Dec 27 2011