A167531 - cp's OEIS frontend

A167531 a(n) = Sum_{d divides n} d*(n/d)^(d-1).

n	a(n)
1	1
2	3
3	4
4	9
5	6
6	25
7	8
8	49
9	37
10	101
11	12
12	373
13	14
14	477
15	496
16	1313
17	18
18	3907
19	20
20	6941
21	5272
22	11309
23	24
24	49321
25	3151
26	53301
27	59320
28	144789
29	30
30	468181
31	32
32	657473
33	649936
34	1114181
35	121416
36	5124961
37	38
38	4980813
39	6909280
40	13756761
41	42
42	44768725
43	44

[1, 3, 4, 9, 6, 25, 8, 49, 37, 101, 12, 373, 14, 477, 496, 1313, 18, 3907, 20, 6941, 5272, 11309, 24, 49321, 3151, 53301, 59320, 144789, 30, 468181, 32, 657473, 649936, 1114181, 121416, 5124961, 38, 4980813, 6909280, 13756761, 42, 44768725, 44]

cp's OEIS Frontend

A167531 a(n) = Sum_{d divides n} d*(n/d)^(d-1).

Table of values

List of values