A349322 - cp's OEIS frontend

A349322 a(n) = Sum_{d|n} d^c(d), where c is the characteristic function of refactorable numbers (A336040).

n	a(n)
1	1
2	3
3	2
4	4
5	2
6	5
7	2
8	12
9	11
10	5
11	2
12	18
13	2
14	5
15	4
16	13
17	2
18	32
19	2
20	7
21	4
22	5
23	2
24	50
25	3
26	5
27	12
28	7
29	2
30	9
31	2
32	14
33	4
34	5
35	4
36	81
37	2
38	5
39	4
40	55
41	2
42	9
43	2
44	7
45	14
46	5
47	2
48	52
49	3
50	7
51	4
52	7
53	2
54	34
55	4
56	71
57	4
58	5
59	2
60	83
61	2
62	5
63	14
64	15
65	4
66	9
67	2
68	7
69	4
70	9
71	2
72	185
73	2
74	5
75	6
76	7
77	4
78	9
79	2
80	136
81	13
82	5
83	2
84	107

[1, 3, 2, 4, 2, 5, 2, 12, 11, 5, 2, 18, 2, 5, 4, 13, 2, 32, 2, 7, 4, 5, 2, 50, 3, 5, 12, 7, 2, 9, 2, 14, 4, 5, 4, 81, 2, 5, 4, 55, 2, 9, 2, 7, 14, 5, 2, 52, 3, 7, 4, 7, 2, 34, 4, 71, 4, 5, 2, 83, 2, 5, 14, 15, 4, 9, 2, 7, 4, 9, 2, 185, 2, 5, 6, 7, 4, 9, 2, 136, 13, 5, 2, 107]

cp's OEIS Frontend

A349322 a(n) = Sum_{d|n} d^c(d), where c is the characteristic function of refactorable numbers (A336040).

Table of values

List of values

n	a(n)
1	1
2	3
3	2
4	4
5	2
6	5
7	2
8	12
9	11
10	5
11	2
12	18
13	2
14	5
15	4
16	13
17	2
18	32
19	2
20	7
21	4
22	5
23	2
24	50
25	3
26	5
27	12
28	7
29	2
30	9
31	2
32	14
33	4
34	5
35	4
36	81
37	2
38	5
39	4
40	55
41	2
42	9
43	2
44	7
45	14
46	5
47	2
48	52
49	3
50	7
51	4
52	7
53	2
54	34
55	4
56	71
57	4
58	5
59	2
60	83
61	2
62	5
63	14
64	15
65	4
66	9
67	2
68	7
69	4
70	9
71	2
72	185
73	2
74	5
75	6
76	7
77	4
78	9
79	2
80	136
81	13
82	5
83	2
84	107

n	a(n)
1	1
2	3
3	2
4	4
5	2
6	5
7	2
8	12
9	11
10	5
11	2
12	18
13	2
14	5
15	4
16	13
17	2
18	32
19	2
20	7
21	4
22	5
23	2
24	50
25	3
26	5
27	12
28	7
29	2
30	9
31	2
32	14
33	4
34	5
35	4
36	81
37	2
38	5
39	4
40	55
41	2
42	9
43	2
44	7
45	14
46	5
47	2
48	52
49	3
50	7
51	4
52	7
53	2
54	34
55	4
56	71
57	4
58	5
59	2
60	83
61	2
62	5
63	14
64	15
65	4
66	9
67	2
68	7
69	4
70	9
71	2
72	185
73	2
74	5
75	6
76	7
77	4
78	9
79	2
80	136
81	13
82	5
83	2
84	107

n	a(n)
1	1
2	3
3	2
4	4
5	2
6	5
7	2
8	12
9	11
10	5
11	2
12	18
13	2
14	5
15	4
16	13
17	2
18	32
19	2
20	7
21	4
22	5
23	2
24	50
25	3
26	5
27	12
28	7
29	2
30	9
31	2
32	14
33	4
34	5
35	4
36	81
37	2
38	5
39	4
40	55
41	2
42	9
43	2
44	7
45	14
46	5
47	2
48	52
49	3
50	7
51	4
52	7
53	2
54	34
55	4
56	71
57	4
58	5
59	2
60	83
61	2
62	5
63	14
64	15
65	4
66	9
67	2
68	7
69	4
70	9
71	2
72	185
73	2
74	5
75	6
76	7
77	4
78	9
79	2
80	136
81	13
82	5
83	2
84	107