A358193 - cp's OEIS frontend

A358193 Denominator of the quotient of the prime indices of the n-th semiprime.

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

[1, 2, 1, 3, 4, 3, 2, 5, 1, 6, 5, 7, 4, 8, 3, 9, 1, 7, 5, 4, 10, 11, 2, 9, 12, 5, 13, 7, 14, 5, 3, 11, 15, 8, 16, 6, 3, 17, 7, 1, 18, 13, 7, 2, 19, 15, 20, 6, 10, 21, 11, 22, 8, 9, 23, 1, 17, 24, 9, 4, 7, 25, 19, 26, 5, 13, 27, 8, 10, 28, 14, 11, 29, 21, 7, 30]

cp's OEIS Frontend

A358193 Denominator of the quotient of the prime indices of the n-th semiprime.

Table of values

List of values

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

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

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