A205554 - cp's OEIS frontend

A205554 Least positive integer k such that n divides k^(k-1)-j^(j-1) for some j in [1,k-1].

n	a(n)
1	2
2	3
3	4
4	3
5	4
6	5
7	3
8	3
9	4
10	7
11	4
12	5
13	5
14	5
15	7
16	5
17	5
18	7
19	7
20	7
21	4
22	5
23	6
24	5
25	6
26	5
27	7
28	5
29	12
30	8
31	4
32	6
33	5
34	7
35	11
36	7
37	9
38	7
39	5
40	7
41	8
42	13
43	7
44	5
45	7
46	6
47	12
48	5
49	8
50	8
51	5
52	5
53	7
54	12
55	4
56	5
57	7
58	12
59	12
60	11
61	12
62	4
63	4
64	8
65	7
66	8
67	7
68	7
69	7
70	11
71	7
72	7
73	9
74	9
75	8
76	7
77	5
78	5
79	8
80	9
81	9
82	8
83	10
84	13
85	7
86	7
87	14
88	5
89	5
90	13
91	16
92	7

[2, 3, 4, 3, 4, 5, 3, 3, 4, 7, 4, 5, 5, 5, 7, 5, 5, 7, 7, 7, 4, 5, 6, 5, 6, 5, 7, 5, 12, 8, 4, 6, 5, 7, 11, 7, 9, 7, 5, 7, 8, 13, 7, 5, 7, 6, 12, 5, 8, 8, 5, 5, 7, 12, 4, 5, 7, 12, 12, 11, 12, 4, 4, 8, 7, 8, 7, 7, 7, 11, 7, 7, 9, 9, 8, 7, 5, 5, 8, 9, 9, 8, 10, 13, 7, 7, 14, 5, 5, 13, 16, 7]

cp's OEIS Frontend

A205554 Least positive integer k such that n divides k^(k-1)-j^(j-1) for some j in [1,k-1].

Table of values

List of values

n	a(n)
1	2
2	3
3	4
4	3
5	4
6	5
7	3
8	3
9	4
10	7
11	4
12	5
13	5
14	5
15	7
16	5
17	5
18	7
19	7
20	7
21	4
22	5
23	6
24	5
25	6
26	5
27	7
28	5
29	12
30	8
31	4
32	6
33	5
34	7
35	11
36	7
37	9
38	7
39	5
40	7
41	8
42	13
43	7
44	5
45	7
46	6
47	12
48	5
49	8
50	8
51	5
52	5
53	7
54	12
55	4
56	5
57	7
58	12
59	12
60	11
61	12
62	4
63	4
64	8
65	7
66	8
67	7
68	7
69	7
70	11
71	7
72	7
73	9
74	9
75	8
76	7
77	5
78	5
79	8
80	9
81	9
82	8
83	10
84	13
85	7
86	7
87	14
88	5
89	5
90	13
91	16
92	7

n	a(n)
1	2
2	3
3	4
4	3
5	4
6	5
7	3
8	3
9	4
10	7
11	4
12	5
13	5
14	5
15	7
16	5
17	5
18	7
19	7
20	7
21	4
22	5
23	6
24	5
25	6
26	5
27	7
28	5
29	12
30	8
31	4
32	6
33	5
34	7
35	11
36	7
37	9
38	7
39	5
40	7
41	8
42	13
43	7
44	5
45	7
46	6
47	12
48	5
49	8
50	8
51	5
52	5
53	7
54	12
55	4
56	5
57	7
58	12
59	12
60	11
61	12
62	4
63	4
64	8
65	7
66	8
67	7
68	7
69	7
70	11
71	7
72	7
73	9
74	9
75	8
76	7
77	5
78	5
79	8
80	9
81	9
82	8
83	10
84	13
85	7
86	7
87	14
88	5
89	5
90	13
91	16
92	7

n	a(n)
1	2
2	3
3	4
4	3
5	4
6	5
7	3
8	3
9	4
10	7
11	4
12	5
13	5
14	5
15	7
16	5
17	5
18	7
19	7
20	7
21	4
22	5
23	6
24	5
25	6
26	5
27	7
28	5
29	12
30	8
31	4
32	6
33	5
34	7
35	11
36	7
37	9
38	7
39	5
40	7
41	8
42	13
43	7
44	5
45	7
46	6
47	12
48	5
49	8
50	8
51	5
52	5
53	7
54	12
55	4
56	5
57	7
58	12
59	12
60	11
61	12
62	4
63	4
64	8
65	7
66	8
67	7
68	7
69	7
70	11
71	7
72	7
73	9
74	9
75	8
76	7
77	5
78	5
79	8
80	9
81	9
82	8
83	10
84	13
85	7
86	7
87	14
88	5
89	5
90	13
91	16
92	7