Number of 1..30 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.
A171304
Number of 1..30 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) =30a(1) =900a(2) =26961a(3) =806483a(4) =24172959a(5) =724065791a(6) =21680616200a(7) =649455905186
External references
- oeis: A171304