A060072 - cp's OEIS frontend

A060072 a(n) = (n^(n-1) - 1)/(n-1) for n>1, a(1) = 0.

n	a(n)
1	0
2	1
3	4
4	21
5	156
6	1555
7	19608
8	299593
9	5380840
10	111111111
11	2593742460
12	67546215517
13	1941507093540
14	61054982558011
15	2085209001813616
16	76861433640456465
17	3041324492229179280
18	128583032925805678351
19	5784852794328402307380
20	275941052631578947368421

[0, 1, 4, 21, 156, 1555, 19608, 299593, 5380840, 111111111, 2593742460, 67546215517, 1941507093540, 61054982558011, 2085209001813616, 76861433640456465, 3041324492229179280, 128583032925805678351, 5784852794328402307380, 275941052631578947368421]

cp's OEIS Frontend

A060072 a(n) = (n^(n-1) - 1)/(n-1) for n>1, a(1) = 0.

Table of values

List of values