A184027 - OEIS

%I #4 Mar 31 2012 12:35:56

%S 25538,35771,53948,94469,177386,374381,829724,1994441,4970738,

%T 13142141,35742788,101630489

%N 1/8 the number of (n+1)X8 0..3 arrays with all 2X2 subblock sums the same

%C Column 7 of A184029

%e Some solutions for 4X8

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 08 2011