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%I #3 Mar 31 2012 12:35:36
%S 18,324,5813,103983,1866632,33457393,599230909,10742524446,
%T 192455268439
%N Number of 1..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 18 of A171275.
%K nonn
%O 1,1
%A _R. H. Hardin_ Dec 06 2009
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