A175961 - cp's OEIS frontend

A175961 n-th nonprime number appears n-th nonprime numbers times.

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

[1, 4, 4, 4, 4, 6, 6, 6, 6, 6, 6, 8, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15]

cp's OEIS Frontend

A175961 n-th nonprime number appears n-th nonprime numbers times.

Table of values

List of values

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

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

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