A067878 - cp's OEIS frontend

A067878 Numbers k such that sigma(k) = phi(k*omega(k)-1).

n	a(n)
1	1
2	10
3	33
4	46
5	65
6	77
7	123
8	136
9	221
10	371
11	385
12	423
13	513
14	532
15	545
16	572
17	660
18	702
19	753
20	1248
21	1566
22	1643
23	1720
24	2033
25	2635
26	3243
27	4533
28	4798
29	5177
30	5346
31	5495
32	5605
33	6460
34	7463
35	7565
36	7683
37	7739
38	8201
39	9342
40	9741
41	10780
42	10792
43	11679
44	11880
45	12256

[1, 10, 33, 46, 65, 77, 123, 136, 221, 371, 385, 423, 513, 532, 545, 572, 660, 702, 753, 1248, 1566, 1643, 1720, 2033, 2635, 3243, 4533, 4798, 5177, 5346, 5495, 5605, 6460, 7463, 7565, 7683, 7739, 8201, 9342, 9741, 10780, 10792, 11679, 11880, 12256]

cp's OEIS Frontend

A067878 Numbers k such that sigma(k) = phi(k*omega(k)-1).

Table of values

List of values