A252502 - cp's OEIS frontend

A252502 Number of digits of Phi_n(10), or number of digits in base b of Phi_n(b), where Phi is the cyclotomic polynomial.

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

[1, 2, 3, 3, 5, 2, 7, 5, 7, 4, 11, 4, 13, 6, 8, 9, 17, 6, 19, 8, 12, 10, 23, 8, 21, 12, 19, 12, 29, 9, 31, 17, 20, 16, 24, 12, 37, 18, 24, 16, 41, 13, 43, 20, 24, 22, 47, 16, 43, 20, 32, 24, 53, 18, 40, 24, 36, 28, 59, 17, 61, 30, 36, 33, 48, 21, 67, 32, 44, 25, 71, 24]

cp's OEIS Frontend

A252502 Number of digits of Phi_n(10), or number of digits in base b of Phi_n(b), where Phi is the cyclotomic polynomial.

Table of values

List of values

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

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

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