a(n) = ( 1/1 + 1/3 + 1/5 + ... + 1/(2*n-1) )*LCM(1, 3, 5, ..., 2*n-1).
A025550
a(n) = ( 1/1 + 1/3 + 1/5 + ... + 1/(2*n-1) )*LCM(1, 3, 5, ..., 2*n-1).
Terms
- a(0) =1a(1) =4a(2) =23a(3) =176a(4) =563a(5) =6508a(6) =88069a(7) =91072a(8) =1593269a(9) =31037876a(10) =31730711a(11) =744355888a(12) =3788707301a(13) =11552032628a(14) =340028535787
External references
- oeis: A025550