A281962 - cp's OEIS frontend

A281962 Least k such that k^n - 1 is a totient number (A002202), or 0 if no such k exists.

n	a(n)
1	2
2	3
3	7
4	3
5	25
6	5
7	49
8	3
9	17
10	5
11	13
12	3
13	41
14	7
15	5
16	3
17	13
18	5
19	25
20	3
21	25
22	5
23	53
24	3
25	9
26	9
27	25
28	3
29	29
30	3
31	81
32	3
33	9
34	15
35	5
36	3
37	13
38	5
39	13
40	3
41	33
42	5
43	49
44	3
45	5
46	9
47	25
48	3
49	9
50	3
51	9
52	3
53	81
54	5
55	5
56	3
57	25
58	7
59	49
60	3
61	13
62	9
63	13
64	3
65	13
66	3

[2, 3, 7, 3, 25, 5, 49, 3, 17, 5, 13, 3, 41, 7, 5, 3, 13, 5, 25, 3, 25, 5, 53, 3, 9, 9, 25, 3, 29, 3, 81, 3, 9, 15, 5, 3, 13, 5, 13, 3, 33, 5, 49, 3, 5, 9, 25, 3, 9, 3, 9, 3, 81, 5, 5, 3, 25, 7, 49, 3, 13, 9, 13, 3, 13, 3]

cp's OEIS Frontend

A281962 Least k such that k^n - 1 is a totient number (A002202), or 0 if no such k exists.

Table of values

List of values

n	a(n)
1	2
2	3
3	7
4	3
5	25
6	5
7	49
8	3
9	17
10	5
11	13
12	3
13	41
14	7
15	5
16	3
17	13
18	5
19	25
20	3
21	25
22	5
23	53
24	3
25	9
26	9
27	25
28	3
29	29
30	3
31	81
32	3
33	9
34	15
35	5
36	3
37	13
38	5
39	13
40	3
41	33
42	5
43	49
44	3
45	5
46	9
47	25
48	3
49	9
50	3
51	9
52	3
53	81
54	5
55	5
56	3
57	25
58	7
59	49
60	3
61	13
62	9
63	13
64	3
65	13
66	3

n	a(n)
1	2
2	3
3	7
4	3
5	25
6	5
7	49
8	3
9	17
10	5
11	13
12	3
13	41
14	7
15	5
16	3
17	13
18	5
19	25
20	3
21	25
22	5
23	53
24	3
25	9
26	9
27	25
28	3
29	29
30	3
31	81
32	3
33	9
34	15
35	5
36	3
37	13
38	5
39	13
40	3
41	33
42	5
43	49
44	3
45	5
46	9
47	25
48	3
49	9
50	3
51	9
52	3
53	81
54	5
55	5
56	3
57	25
58	7
59	49
60	3
61	13
62	9
63	13
64	3
65	13
66	3

n	a(n)
1	2
2	3
3	7
4	3
5	25
6	5
7	49
8	3
9	17
10	5
11	13
12	3
13	41
14	7
15	5
16	3
17	13
18	5
19	25
20	3
21	25
22	5
23	53
24	3
25	9
26	9
27	25
28	3
29	29
30	3
31	81
32	3
33	9
34	15
35	5
36	3
37	13
38	5
39	13
40	3
41	33
42	5
43	49
44	3
45	5
46	9
47	25
48	3
49	9
50	3
51	9
52	3
53	81
54	5
55	5
56	3
57	25
58	7
59	49
60	3
61	13
62	9
63	13
64	3
65	13
66	3