A307712 - cp's OEIS frontend

A307712 Numbers k such that the fraction of primes in the reduced residue system mod k is the reciprocal of an integer.

n	a(n)
1	3
2	4
3	5
4	6
5	7
6	9
7	10
8	15
9	21
10	31
11	45
12	49
13	58
14	65
15	82
16	86
17	92
18	97
19	101
20	105
21	116
22	183
23	187
24	196
25	201
26	207
27	217
28	238
29	297
30	305
31	308
32	310
33	320
34	331
35	380
36	425
37	583
38	649
39	675
40	855
41	964
42	972
43	974
44	978
45	993
46	996
47	998
48	1009
49	1016
50	1017
51	1041
52	1068
53	1093
54	1112
55	1117
56	1123
57	1129
58	1161
59	1184
60	1368
61	1403

[3, 4, 5, 6, 7, 9, 10, 15, 21, 31, 45, 49, 58, 65, 82, 86, 92, 97, 101, 105, 116, 183, 187, 196, 201, 207, 217, 238, 297, 305, 308, 310, 320, 331, 380, 425, 583, 649, 675, 855, 964, 972, 974, 978, 993, 996, 998, 1009, 1016, 1017, 1041, 1068, 1093, 1112, 1117, 1123, 1129, 1161, 1184, 1368, 1403]

cp's OEIS Frontend

A307712 Numbers k such that the fraction of primes in the reduced residue system mod k is the reciprocal of an integer.

Table of values

List of values