A234106 - OEIS

%I #4 Dec 19 2013 16:21:33

%S 56,608,7732,151304,4093912,178269116,10603143992,1110254693508

%N Number of (n+1)X(n+1) 0..4 arrays with every 2X2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 12

%C Diagonal of A234114

%e Some solutions for n=4

%e ..3..0..3..3..0....0..3..0..0..3....3..0..4..0..3....0..0..3..0..4

%e ..0..3..0..0..3....3..0..3..3..4....3..0..0..0..3....4..0..3..0..0

%e ..3..0..3..3..4....0..3..4..0..3....0..3..3..3..0....0..0..3..0..4

%e ..0..3..4..0..3....4..3..0..0..3....3..0..4..0..3....0..4..3..0..0

%e ..3..0..3..3..4....3..0..3..3..4....4..3..3..3..4....3..3..0..3..3

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 19 2013