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A171341 Number of 1..n integer arrays v[1..4] of length 4 with all autocorrelation values sum(i){v[i]*v[i-k]} distinct for k in 0..3 0

%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[i-k]} distinct for k in 0..3

%C row 4 of A171275.

%K nonn

%O 1,2

%A _R. H. Hardin_ Dec 06 2009

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Last modified September 25 22:55 EDT 2020. Contains 337346 sequences. (Running on oeis4.)