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Number of 1..4 integer arrays v[1..n] of length n with all autocorrelation values sum(i){v[i]*v[i-k]} distinct for k in 0..n-1
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%I #3 Mar 31 2012 12:35:36

%S 4,16,62,240,914,3508,13297,50461,191050,722932,2726415,10295319,

%T 38671908,146751022,550500089,2073212701,7808201806,29400052201,

%U 110000818929

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

%C column 4 of A171275.

%K nonn

%O 1,1

%A _R. H. Hardin_ Dec 06 2009