Number of 0..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.
A171326
Number of 0..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) =21a(1) =440a(2) =9178a(3) =188356a(4) =3959768a(5) =83153605a(6) =1738979798a(7) =36412811648a(8) =761311432412
External references
- oeis: A171326