Number of 1..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.
A171293
Number of 1..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) =19a(1) =361a(2) =6840a(3) =129254a(4) =2450222a(5) =46379533a(6) =877297399a(7) =16607578689a(8) =314206446033
External references
- oeis: A171293