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Number of 1..7 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
0

%I #3 Mar 31 2012 12:35:36

%S 7,49,338,2318,16018,109747,749530,5133206,35065504,239373097,

%T 1635980248,11156399766,76079006282,519915363356

%N Number of 1..7 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 7 of A171275.

%K nonn

%O 1,1

%A _R. H. Hardin_ Dec 06 2009