Number of 1..20 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.

A171294

Number of 1..20 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) =20a(1) =400a(2) =7978a(3) =158720a(4) =3167712a(5) =63133961a(6) =1257532904a(7) =25067835333a(8) =499409248793

External references