%I
%S 1,15,74,240,597,1235,2318,3978,6399,9781,14388,20364,28141,37907,
%T 49986,64790,82711,103983,129254,158720,193017,232639,278134,329748,
%U 388427,454593,528832,611758,704263,806483,919866,1044640
%N Number of 1..n integer arrays v[1..4] of length 4 with all autocorrelation values sum(i){v[i]*v[ik]} distinct for k in 0..3
%C row 4 of A171275.
%K nonn
%O 1,2
%A _R. H. Hardin_ Dec 06 2009
