A048968 - cp's OEIS frontend

A048968 Numbers k such that sigma(k) / d(k) is prime.

n	a(n)
1	3
2	5
3	6
4	13
5	20
6	37
7	45
8	49
9	61
10	73
11	150
12	157
13	169
14	193
15	277
16	313
17	361
18	397
19	421
20	457
21	541
22	613
23	661
24	673
25	733
26	757
27	832
28	877
29	961
30	997
31	1093
32	1153
33	1201
34	1213
35	1237
36	1321
37	1381
38	1445
39	1453
40	1621
41	1657
42	1734
43	1753
44	1849
45	1873
46	1933
47	1993
48	2017
49	2137
50	2341

[3, 5, 6, 13, 20, 37, 45, 49, 61, 73, 150, 157, 169, 193, 277, 313, 361, 397, 421, 457, 541, 613, 661, 673, 733, 757, 832, 877, 961, 997, 1093, 1153, 1201, 1213, 1237, 1321, 1381, 1445, 1453, 1621, 1657, 1734, 1753, 1849, 1873, 1933, 1993, 2017, 2137, 2341]

cp's OEIS Frontend

A048968 Numbers k such that sigma(k) / d(k) is prime.

Table of values

List of values