A083257 - cp's OEIS frontend

A083257 a(n) = A071364(n-th nonprime number) = A071364(A018252(n)).

n	a(n)
1	1
2	4
3	6
4	8
5	4
6	6
7	12
8	6
9	6
10	16
11	18
12	12
13	6
14	6
15	24
16	4
17	6
18	8
19	12
20	30
21	32
22	6
23	6
24	6
25	36
26	6
27	6
28	24
29	30
30	12
31	12
32	6
33	48
34	4
35	18
36	6
37	12
38	54
39	6
40	24
41	6
42	6
43	60
44	6
45	12
46	64
47	6
48	30
49	12
50	6
51	30
52	72
53	6
54	18
55	12
56	6
57	30
58	48
59	16
60	6
61	60
62	6
63	6
64	6
65	24
66	90
67	6
68	12
69	6
70	6
71	6
72	96
73	18
74	12
75	36
76	30
77	24
78	30
79	6
80	108
81	30
82	6

[1, 4, 6, 8, 4, 6, 12, 6, 6, 16, 18, 12, 6, 6, 24, 4, 6, 8, 12, 30, 32, 6, 6, 6, 36, 6, 6, 24, 30, 12, 12, 6, 48, 4, 18, 6, 12, 54, 6, 24, 6, 6, 60, 6, 12, 64, 6, 30, 12, 6, 30, 72, 6, 18, 12, 6, 30, 48, 16, 6, 60, 6, 6, 6, 24, 90, 6, 12, 6, 6, 6, 96, 18, 12, 36, 30, 24, 30, 6, 108, 30, 6]

cp's OEIS Frontend

A083257 a(n) = A071364(n-th nonprime number) = A071364(A018252(n)).

Table of values

List of values

n	a(n)
1	1
2	4
3	6
4	8
5	4
6	6
7	12
8	6
9	6
10	16
11	18
12	12
13	6
14	6
15	24
16	4
17	6
18	8
19	12
20	30
21	32
22	6
23	6
24	6
25	36
26	6
27	6
28	24
29	30
30	12
31	12
32	6
33	48
34	4
35	18
36	6
37	12
38	54
39	6
40	24
41	6
42	6
43	60
44	6
45	12
46	64
47	6
48	30
49	12
50	6
51	30
52	72
53	6
54	18
55	12
56	6
57	30
58	48
59	16
60	6
61	60
62	6
63	6
64	6
65	24
66	90
67	6
68	12
69	6
70	6
71	6
72	96
73	18
74	12
75	36
76	30
77	24
78	30
79	6
80	108
81	30
82	6

n	a(n)
1	1
2	4
3	6
4	8
5	4
6	6
7	12
8	6
9	6
10	16
11	18
12	12
13	6
14	6
15	24
16	4
17	6
18	8
19	12
20	30
21	32
22	6
23	6
24	6
25	36
26	6
27	6
28	24
29	30
30	12
31	12
32	6
33	48
34	4
35	18
36	6
37	12
38	54
39	6
40	24
41	6
42	6
43	60
44	6
45	12
46	64
47	6
48	30
49	12
50	6
51	30
52	72
53	6
54	18
55	12
56	6
57	30
58	48
59	16
60	6
61	60
62	6
63	6
64	6
65	24
66	90
67	6
68	12
69	6
70	6
71	6
72	96
73	18
74	12
75	36
76	30
77	24
78	30
79	6
80	108
81	30
82	6

n	a(n)
1	1
2	4
3	6
4	8
5	4
6	6
7	12
8	6
9	6
10	16
11	18
12	12
13	6
14	6
15	24
16	4
17	6
18	8
19	12
20	30
21	32
22	6
23	6
24	6
25	36
26	6
27	6
28	24
29	30
30	12
31	12
32	6
33	48
34	4
35	18
36	6
37	12
38	54
39	6
40	24
41	6
42	6
43	60
44	6
45	12
46	64
47	6
48	30
49	12
50	6
51	30
52	72
53	6
54	18
55	12
56	6
57	30
58	48
59	16
60	6
61	60
62	6
63	6
64	6
65	24
66	90
67	6
68	12
69	6
70	6
71	6
72	96
73	18
74	12
75	36
76	30
77	24
78	30
79	6
80	108
81	30
82	6