%I #3 Mar 31 2012 12:35:36
%S 19,361,6840,129254,2450222,46379533,877297399,16607578689,
%T 314206446033
%N Number of 1..19 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 A171275.
%K nonn
%O 1,1
%A _R. H. Hardin_ Dec 06 2009