A275123 - cp's OEIS frontend

A275123 Even numbers n such that sigma(n) divides sigma(n^n).

n	a(n)
1	4
2	16
3	64
4	100
5	196
6	484
7	676
8	1024
9	1156
10	1296
11	1444
12	1936
13	2116
14	3364
15	3844
16	4096
17	4900
18	5476
19	5776
20	6400
21	6724
22	7396
23	8836
24	10816
25	11236
26	12100
27	13456
28	13924
29	14884
30	15376
31	16900
32	17956
33	20164
34	21316
35	23716
36	24964
37	26896
38	27556
39	28900
40	31684
41	33124
42	36100

[4, 16, 64, 100, 196, 484, 676, 1024, 1156, 1296, 1444, 1936, 2116, 3364, 3844, 4096, 4900, 5476, 5776, 6400, 6724, 7396, 8836, 10816, 11236, 12100, 13456, 13924, 14884, 15376, 16900, 17956, 20164, 21316, 23716, 24964, 26896, 27556, 28900, 31684, 33124, 36100]

cp's OEIS Frontend

A275123 Even numbers n such that sigma(n) divides sigma(n^n).

Table of values

List of values