A333696 - cp's OEIS frontend

A333696 Denominators of coefficients in expansion of Sum_{k>=1} phi(k) * log(1/(1 - x^k)).

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

[1, 2, 3, 4, 5, 2, 7, 8, 9, 10, 11, 12, 13, 14, 5, 16, 17, 6, 19, 20, 3, 22, 23, 24, 25, 26, 27, 28, 29, 10, 31, 32, 11, 34, 5, 36, 37, 38, 39, 40, 41, 2, 43, 4, 15, 46, 47, 16, 49, 50, 17, 52, 53, 18, 55, 56, 57, 58, 59, 20, 61, 62, 63, 64, 65, 22, 67, 68, 23, 10]

cp's OEIS Frontend

A333696 Denominators of coefficients in expansion of Sum_{k>=1} phi(k) * log(1/(1 - x^k)).

Table of values

List of values

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

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

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