A353339 - cp's OEIS frontend

A353339 Number of integers b with n > b > 1 such that the base-b representation of n is periodic.

n	a(n)
1	0
2	0
3	1
4	1
5	2
6	1
7	2
8	2
9	2
10	4
11	1
12	2
13	2
14	2
15	3
16	2
17	3
18	4
19	1
20	3
21	4
22	2
23	1
24	4
25	1
26	4
27	3
28	4
29	1
30	4
31	3
32	3
33	3
34	4
35	2
36	5
37	2
38	2
39	2
40	5
41	1
42	5
43	2
44	3
45	4
46	2
47	1
48	5
49	1
50	5
51	4
52	4
53	1
54	5
55	2
56	4
57	3
58	2
59	1
60	7
61	1
62	3
63	5
64	3
65	5
66	5
67	1
68	5
69	2
70	5
71	1
72	5
73	3
74	3
75	3
76	3
77	2
78	5
79	1
80	6
81	2
82	4
83	1
84	7
85	4
86	3
87	2

[0, 0, 1, 1, 2, 1, 2, 2, 2, 4, 1, 2, 2, 2, 3, 2, 3, 4, 1, 3, 4, 2, 1, 4, 1, 4, 3, 4, 1, 4, 3, 3, 3, 4, 2, 5, 2, 2, 2, 5, 1, 5, 2, 3, 4, 2, 1, 5, 1, 5, 4, 4, 1, 5, 2, 4, 3, 2, 1, 7, 1, 3, 5, 3, 5, 5, 1, 5, 2, 5, 1, 5, 3, 3, 3, 3, 2, 5, 1, 6, 2, 4, 1, 7, 4, 3, 2]

cp's OEIS Frontend

A353339 Number of integers b with n > b > 1 such that the base-b representation of n is periodic.

Table of values

List of values

n	a(n)
1	0
2	0
3	1
4	1
5	2
6	1
7	2
8	2
9	2
10	4
11	1
12	2
13	2
14	2
15	3
16	2
17	3
18	4
19	1
20	3
21	4
22	2
23	1
24	4
25	1
26	4
27	3
28	4
29	1
30	4
31	3
32	3
33	3
34	4
35	2
36	5
37	2
38	2
39	2
40	5
41	1
42	5
43	2
44	3
45	4
46	2
47	1
48	5
49	1
50	5
51	4
52	4
53	1
54	5
55	2
56	4
57	3
58	2
59	1
60	7
61	1
62	3
63	5
64	3
65	5
66	5
67	1
68	5
69	2
70	5
71	1
72	5
73	3
74	3
75	3
76	3
77	2
78	5
79	1
80	6
81	2
82	4
83	1
84	7
85	4
86	3
87	2

n	a(n)
1	0
2	0
3	1
4	1
5	2
6	1
7	2
8	2
9	2
10	4
11	1
12	2
13	2
14	2
15	3
16	2
17	3
18	4
19	1
20	3
21	4
22	2
23	1
24	4
25	1
26	4
27	3
28	4
29	1
30	4
31	3
32	3
33	3
34	4
35	2
36	5
37	2
38	2
39	2
40	5
41	1
42	5
43	2
44	3
45	4
46	2
47	1
48	5
49	1
50	5
51	4
52	4
53	1
54	5
55	2
56	4
57	3
58	2
59	1
60	7
61	1
62	3
63	5
64	3
65	5
66	5
67	1
68	5
69	2
70	5
71	1
72	5
73	3
74	3
75	3
76	3
77	2
78	5
79	1
80	6
81	2
82	4
83	1
84	7
85	4
86	3
87	2

n	a(n)
1	0
2	0
3	1
4	1
5	2
6	1
7	2
8	2
9	2
10	4
11	1
12	2
13	2
14	2
15	3
16	2
17	3
18	4
19	1
20	3
21	4
22	2
23	1
24	4
25	1
26	4
27	3
28	4
29	1
30	4
31	3
32	3
33	3
34	4
35	2
36	5
37	2
38	2
39	2
40	5
41	1
42	5
43	2
44	3
45	4
46	2
47	1
48	5
49	1
50	5
51	4
52	4
53	1
54	5
55	2
56	4
57	3
58	2
59	1
60	7
61	1
62	3
63	5
64	3
65	5
66	5
67	1
68	5
69	2
70	5
71	1
72	5
73	3
74	3
75	3
76	3
77	2
78	5
79	1
80	6
81	2
82	4
83	1
84	7
85	4
86	3
87	2