1772179733domain: NAppears in sequencesNumber of 1..21 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.at n=6A171295Number of 1..n integer arrays v[1..7] of length 7 with all autocorrelation values sum(i){v[i]*v[i-k]} distinct for k in 0..6.at n=20A171344