Number of 0..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.
A171310
Number of 0..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.
Terms
- a(0) =5a(1) =24a(2) =110a(3) =412a(4) =1918a(5) =8708a(6) =39178a(7) =177032a(8) =787715a(9) =3506973a(10) =15792653a(11) =70939799a(12) =317938418a(13) =1427686705a(14) =6389256951a(15) =28533745889
External references
- oeis: A171310