%I #3 Mar 31 2012 12:35:37

%S 19,360,6785,125401,2384752,45287113,856022542,16204936025,

%T 306223868165

%N Number of 0..18 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 19 of A171307.

%K nonn

%O 1,1

%A _R. H. Hardin_ Dec 06 2009