1!*2!*3!*...*n!*H(n); H(n) the n-th harmonic number.
A195462
1!*2!*3!*...*n!*H(n); H(n) the n-th harmonic number.
Terms
- a(0) =1a(1) =3a(2) =22a(3) =600a(4) =78912a(5) =60963840a(6) =325173657600
External references
- oeis: A195462
A195462
1!*2!*3!*...*n!*H(n); H(n) the n-th harmonic number.