A061367 - cp's OEIS frontend

A061367 Composite n such that sigma(n)-phi(n) divides sigma(n)+phi(n).

n	a(n)
1	15
2	35
3	95
4	119
5	143
6	209
7	287
8	319
9	323
10	357
11	377
12	527
13	559
14	779
15	899
16	923
17	989
18	1007
19	1045
20	1189
21	1199
22	1343
23	1349
24	1763
25	1919
26	2159
27	2261
28	2507
29	2639
30	2759
31	2911
32	3239
33	3339
34	3553
35	3599
36	3827
37	4031
38	4147
39	4607
40	5049
41	5183
42	5207
43	5249
44	5459
45	5543
46	6439

[15, 35, 95, 119, 143, 209, 287, 319, 323, 357, 377, 527, 559, 779, 899, 923, 989, 1007, 1045, 1189, 1199, 1343, 1349, 1763, 1919, 2159, 2261, 2507, 2639, 2759, 2911, 3239, 3339, 3553, 3599, 3827, 4031, 4147, 4607, 5049, 5183, 5207, 5249, 5459, 5543, 6439]

cp's OEIS Frontend

A061367 Composite n such that sigma(n)-phi(n) divides sigma(n)+phi(n).

Table of values

List of values