-3567

Appears in sequences

• a(n) = round(10000*log(n/10)).at n=6A104077
• a(2n) = -A106328(n), a(2n+1) = A054488(n).at n=10A108931
• a(n) = determinant of n X n circulant matrix whose first row is A001358(1), A001358(2), ..., A001358(n) where A001358(n) = n-th semiprime.at n=3A118713
• Inverse binomial transform of -2 followed by A000032(n+1).at n=17A244213