A196532 - cp's OEIS frontend

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.

n	a(n)
0	1
1	5
2	20
3	94
4	524
5	3408
6	25416
7	214128
8	2012832
9	20894400
10	237458880
11	2932968960
12	39126516480
13	560704273920
14	8591147712000
15	140160890419200
16	2425888391270400
17	44398288688947200
18	856727919929548800

[1, 5, 20, 94, 524, 3408, 25416, 214128, 2012832, 20894400, 237458880, 2932968960, 39126516480, 560704273920, 8591147712000, 140160890419200, 2425888391270400, 44398288688947200, 856727919929548800]

cp's OEIS Frontend

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.

Table of values

List of values