A328880 - cp's OEIS frontend

A328880 If n = Product (p_j^k_j) then a(n) = Product (a(pi(p_j)) + 1), where pi = A000720, with a(1) = 1.

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

[1, 2, 3, 2, 4, 6, 3, 2, 3, 8, 5, 6, 7, 6, 12, 2, 4, 6, 3, 8, 9, 10, 4, 6, 4, 14, 3, 6, 9, 24, 6, 2, 15, 8, 12, 6, 7, 6, 21, 8, 8, 18, 7, 10, 12, 8, 13, 6, 3, 8, 12, 14, 3, 6, 20, 6, 9, 18, 5, 24, 7, 12, 9, 2, 28, 30, 4, 8, 12, 24, 9, 6, 10, 14, 12, 6, 15, 42, 11, 8]

cp's OEIS Frontend

A328880 If n = Product (p_j^k_j) then a(n) = Product (a(pi(p_j)) + 1), where pi = A000720, with a(1) = 1.

Table of values

List of values

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

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

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