37103518720domain: 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=7A171295Number of 1..n integer arrays v[1..8] of length 8 with all autocorrelation values sum(i){v[i]*v[i-k]} distinct for k in 0..7.at n=20A171345