A324983 - cp's OEIS frontend

A324983 a(n) = denominator of Sum_{d|n} (pod(d)/tau(d)) where pod(k) = the product of the divisors of k (A007955) and tau(k) = the number of the divisors of k (A000005).

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

[1, 1, 2, 3, 2, 2, 2, 3, 2, 2, 2, 6, 2, 2, 4, 15, 2, 2, 2, 2, 4, 2, 2, 6, 6, 2, 4, 6, 2, 4, 2, 5, 4, 2, 4, 6, 2, 2, 4, 2, 2, 4, 2, 2, 4, 2, 2, 30, 6, 2, 4, 6, 2, 4, 4, 6, 4, 2, 2, 4, 2, 2, 4, 35, 4, 4, 2, 2, 4, 4, 2, 6, 2, 2, 12, 6, 4, 4, 2, 10, 20, 2, 2, 12, 4]

cp's OEIS Frontend

A324983 a(n) = denominator of Sum_{d|n} (pod(d)/tau(d)) where pod(k) = the product of the divisors of k (A007955) and tau(k) = the number of the divisors of k (A000005).

Table of values

List of values

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

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

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