A326153 - cp's OEIS frontend

A326153 Numerator of the product of prime indices of n divided by the sum of prime indices of n, n > 1.

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

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

cp's OEIS Frontend

A326153 Numerator of the product of prime indices of n divided by the sum of prime indices of n, n > 1.

Table of values

List of values

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

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

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