A238774 - OEIS

%I #4 Mar 05 2014 06:00:36

%S 372,108124,35640158,11591229010,3697656930974,1196624830872094,

%T 384784855475971422,123956747366595875798,39919552979103628547138,

%U 12856324240299526142031482,4140275724296969459612393060

%N Number of nX7 0..3 arrays with no element equal to the sum modulo 4 of elements to its left or elements above it

%C Column 7 of A238775

%H R. H. Hardin, <a href="/A238774/b238774.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=2

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Mar 05 2014