A317357 - cp's OEIS frontend

A317357 a(n) is the smallest composite k > n such that 1^(k-1) + 2^(k-1) + ... + n^(k-1) == n (mod k).

n	a(n)
1	4
2	341
3	473
4	6
5	10
6	133
7	497
8	14
9	12
10	15
11	15
12	16
13	18
14	143
15	35
16	20
17	32
18	51
19	57
20	38
21	28
22	77
23	253
24	36
25	30
26	65
27	39
28	36
29	58
30	115
31	155
32	62
33	36
34	187
35	119
36	40
37	74
38	57
39	247
40	52
41	80
42	287
43	2051
44	86
45	55
46	69
47	69
48	94
49	54
50	175
51	85
52	65
53	65
54	159
55	69
56	70
57	64
58	551
59	1711
60	72

[4, 341, 473, 6, 10, 133, 497, 14, 12, 15, 15, 16, 18, 143, 35, 20, 32, 51, 57, 38, 28, 77, 253, 36, 30, 65, 39, 36, 58, 115, 155, 62, 36, 187, 119, 40, 74, 57, 247, 52, 80, 287, 2051, 86, 55, 69, 69, 94, 54, 175, 85, 65, 65, 159, 69, 70, 64, 551, 1711, 72]

cp's OEIS Frontend

A317357 a(n) is the smallest composite k > n such that 1^(k-1) + 2^(k-1) + ... + n^(k-1) == n (mod k).

Table of values

List of values