919866

Appears in sequences

• Number of 1..31 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=3A171305
• Number of 1..n integer arrays v[1..4] of length 4 with all autocorrelation values sum(i){v[i]*v[i-k]} distinct for k in 0..3.at n=30A171341
• (n-1)-st elementary symmetric function of first n Lucas numbers, starting with L(1)=1.at n=6A203010