A317837 - cp's OEIS frontend

A317837 a(n) = Sum_{d|n, d A002487(d).

n	a(n)
1	0
2	1
3	1
4	2
5	1
6	4
7	1
8	3
9	3
10	5
11	1
12	7
13	1
14	5
15	6
16	4
17	1
18	10
19	1
20	9
21	6
22	7
23	1
24	10
25	4
26	7
27	7
28	9
29	1
30	16
31	1
32	5
33	8
34	7
35	7
36	17
37	1
38	9
39	8
40	13
41	1
42	20
43	1
44	13
45	14
46	9
47	1
48	13
49	4
50	15
51	8
52	13
53	1
54	22
55	9
56	13
57	10
58	9
59	1
60	26
61	1
62	7
63	18
64	6
65	9
66	22
67	1
68	13
69	10
70	23
71	1
72	24
73	1
74	13
75	17
76	17
77	9
78	26
79	1
80	17
81	15
82	13
83	1
84	34
85	9
86	15
87	10
88	19
89	1
90	40
91	9
92	17
93	8
94	11
95	11

[0, 1, 1, 2, 1, 4, 1, 3, 3, 5, 1, 7, 1, 5, 6, 4, 1, 10, 1, 9, 6, 7, 1, 10, 4, 7, 7, 9, 1, 16, 1, 5, 8, 7, 7, 17, 1, 9, 8, 13, 1, 20, 1, 13, 14, 9, 1, 13, 4, 15, 8, 13, 1, 22, 9, 13, 10, 9, 1, 26, 1, 7, 18, 6, 9, 22, 1, 13, 10, 23, 1, 24, 1, 13, 17, 17, 9, 26, 1, 17, 15, 13, 1, 34, 9, 15, 10, 19, 1, 40, 9, 17, 8, 11, 11]

cp's OEIS Frontend

A317837 a(n) = Sum_{d|n, d A002487(d).

Table of values

List of values

n	a(n)
1	0
2	1
3	1
4	2
5	1
6	4
7	1
8	3
9	3
10	5
11	1
12	7
13	1
14	5
15	6
16	4
17	1
18	10
19	1
20	9
21	6
22	7
23	1
24	10
25	4
26	7
27	7
28	9
29	1
30	16
31	1
32	5
33	8
34	7
35	7
36	17
37	1
38	9
39	8
40	13
41	1
42	20
43	1
44	13
45	14
46	9
47	1
48	13
49	4
50	15
51	8
52	13
53	1
54	22
55	9
56	13
57	10
58	9
59	1
60	26
61	1
62	7
63	18
64	6
65	9
66	22
67	1
68	13
69	10
70	23
71	1
72	24
73	1
74	13
75	17
76	17
77	9
78	26
79	1
80	17
81	15
82	13
83	1
84	34
85	9
86	15
87	10
88	19
89	1
90	40
91	9
92	17
93	8
94	11
95	11

n	a(n)
1	0
2	1
3	1
4	2
5	1
6	4
7	1
8	3
9	3
10	5
11	1
12	7
13	1
14	5
15	6
16	4
17	1
18	10
19	1
20	9
21	6
22	7
23	1
24	10
25	4
26	7
27	7
28	9
29	1
30	16
31	1
32	5
33	8
34	7
35	7
36	17
37	1
38	9
39	8
40	13
41	1
42	20
43	1
44	13
45	14
46	9
47	1
48	13
49	4
50	15
51	8
52	13
53	1
54	22
55	9
56	13
57	10
58	9
59	1
60	26
61	1
62	7
63	18
64	6
65	9
66	22
67	1
68	13
69	10
70	23
71	1
72	24
73	1
74	13
75	17
76	17
77	9
78	26
79	1
80	17
81	15
82	13
83	1
84	34
85	9
86	15
87	10
88	19
89	1
90	40
91	9
92	17
93	8
94	11
95	11

n	a(n)
1	0
2	1
3	1
4	2
5	1
6	4
7	1
8	3
9	3
10	5
11	1
12	7
13	1
14	5
15	6
16	4
17	1
18	10
19	1
20	9
21	6
22	7
23	1
24	10
25	4
26	7
27	7
28	9
29	1
30	16
31	1
32	5
33	8
34	7
35	7
36	17
37	1
38	9
39	8
40	13
41	1
42	20
43	1
44	13
45	14
46	9
47	1
48	13
49	4
50	15
51	8
52	13
53	1
54	22
55	9
56	13
57	10
58	9
59	1
60	26
61	1
62	7
63	18
64	6
65	9
66	22
67	1
68	13
69	10
70	23
71	1
72	24
73	1
74	13
75	17
76	17
77	9
78	26
79	1
80	17
81	15
82	13
83	1
84	34
85	9
86	15
87	10
88	19
89	1
90	40
91	9
92	17
93	8
94	11
95	11