Number of 0..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.

A171325

Number of 0..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.

Terms

    a(0) =20a(1) =399a(2) =7923a(3) =154562a(4) =3095050a(5) =61897265a(6) =1232327939a(7) =24566356693a(8) =488948073586

External references