A015769 - cp's OEIS frontend

A015769 Numbers k such that phi(k) | sigma_11(k).

n	a(n)
1	1
2	2
3	3
4	6
5	12
6	14
7	15
8	30
9	35
10	42
11	56
12	70
13	78
14	105
15	140
16	168
17	190
18	210
19	235
20	248
21	264
22	270
23	329
24	357
25	418
26	420
27	470
28	570
29	594
30	616
31	630
32	658
33	695
34	705
35	714
36	744
37	799
38	807
39	812
40	840
41	910
42	940
43	987
44	1045
45	1240
46	1254
47	1316
48	1390
49	1410
50	1485
51	1529

[1, 2, 3, 6, 12, 14, 15, 30, 35, 42, 56, 70, 78, 105, 140, 168, 190, 210, 235, 248, 264, 270, 329, 357, 418, 420, 470, 570, 594, 616, 630, 658, 695, 705, 714, 744, 799, 807, 812, 840, 910, 940, 987, 1045, 1240, 1254, 1316, 1390, 1410, 1485, 1529]

cp's OEIS Frontend

A015769 Numbers k such that phi(k) | sigma_11(k).

Table of values

List of values