a(n) = (n+1)!*(H(n)+H(n+1)), where H(n) = Sum_{k=1..n} 1/k is the n-th harmonic number.
A196532
a(n) = (n+1)!*(H(n)+H(n+1)), where H(n) = Sum_{k=1..n} 1/k is the n-th harmonic number.
Terms
- a(0) =1a(1) =5a(2) =20a(3) =94a(4) =524a(5) =3408a(6) =25416a(7) =214128a(8) =2012832a(9) =20894400a(10) =237458880a(11) =2932968960a(12) =39126516480a(13) =560704273920
External references
- oeis: A196532