a(n) = (n+1)! * (H(n+1) - H(2)), where H(n) are the harmonic numbers.
A122057
a(n) = (n+1)! * (H(n+1) - H(2)), where H(n) are the harmonic numbers.
Terms
- a(0) =0a(1) =2a(2) =14a(3) =94a(4) =684a(5) =5508a(6) =49104a(7) =482256a(8) =5185440a(9) =60668640a(10) =767940480a(11) =10462227840a(12) =152698210560
External references
- oeis: A122057