A122784 - cp's OEIS frontend

A122784 Nonprimes k such that 7^k == 7 (mod k).

n	a(n)
1	1
2	6
3	14
4	21
5	25
6	42
7	105
8	133
9	231
10	301
11	325
12	525
13	561
14	703
15	817
16	1105
17	1729
18	1825
19	2101
20	2353
21	2465
22	2821
23	3277
24	3325
25	3486
26	3913
27	4011
28	4525
29	4825
30	5565
31	5719
32	5901
33	6601
34	6697
35	7525
36	8321
37	8911
38	9331
39	10225
40	10325
41	10585
42	10621
43	11041
44	11521

[1, 6, 14, 21, 25, 42, 105, 133, 231, 301, 325, 525, 561, 703, 817, 1105, 1729, 1825, 2101, 2353, 2465, 2821, 3277, 3325, 3486, 3913, 4011, 4525, 4825, 5565, 5719, 5901, 6601, 6697, 7525, 8321, 8911, 9331, 10225, 10325, 10585, 10621, 11041, 11521]

cp's OEIS Frontend

A122784 Nonprimes k such that 7^k == 7 (mod k).

Table of values

List of values