A330944 - cp's OEIS frontend

A330944 Number of nonprime prime indices of n.

n	a(n)
1	0
2	1
3	0
4	2
5	0
6	1
7	1
8	3
9	0
10	1
11	0
12	2
13	1
14	2
15	0
16	4
17	0
18	1
19	1
20	2
21	1
22	1
23	1
24	3
25	0
26	2
27	0
28	3
29	1
30	1
31	0
32	5
33	0
34	1
35	1
36	2
37	1
38	2
39	1
40	3
41	0
42	2
43	1
44	2
45	0
46	2
47	1
48	4
49	2
50	1
51	0
52	3
53	1
54	1
55	0
56	4
57	1
58	2
59	0
60	2
61	1
62	1
63	1
64	6
65	1
66	1
67	0
68	2
69	1
70	2
71	1
72	3
73	1
74	2
75	0
76	3
77	1
78	2
79	1
80	4
81	0
82	1
83	0
84	3
85	0
86	2
87	1

[0, 1, 0, 2, 0, 1, 1, 3, 0, 1, 0, 2, 1, 2, 0, 4, 0, 1, 1, 2, 1, 1, 1, 3, 0, 2, 0, 3, 1, 1, 0, 5, 0, 1, 1, 2, 1, 2, 1, 3, 0, 2, 1, 2, 0, 2, 1, 4, 2, 1, 0, 3, 1, 1, 0, 4, 1, 2, 0, 2, 1, 1, 1, 6, 1, 1, 0, 2, 1, 2, 1, 3, 1, 2, 0, 3, 1, 2, 1, 4, 0, 1, 0, 3, 0, 2, 1]

cp's OEIS Frontend

A330944 Number of nonprime prime indices of n.

Table of values

List of values

n	a(n)
1	0
2	1
3	0
4	2
5	0
6	1
7	1
8	3
9	0
10	1
11	0
12	2
13	1
14	2
15	0
16	4
17	0
18	1
19	1
20	2
21	1
22	1
23	1
24	3
25	0
26	2
27	0
28	3
29	1
30	1
31	0
32	5
33	0
34	1
35	1
36	2
37	1
38	2
39	1
40	3
41	0
42	2
43	1
44	2
45	0
46	2
47	1
48	4
49	2
50	1
51	0
52	3
53	1
54	1
55	0
56	4
57	1
58	2
59	0
60	2
61	1
62	1
63	1
64	6
65	1
66	1
67	0
68	2
69	1
70	2
71	1
72	3
73	1
74	2
75	0
76	3
77	1
78	2
79	1
80	4
81	0
82	1
83	0
84	3
85	0
86	2
87	1

n	a(n)
1	0
2	1
3	0
4	2
5	0
6	1
7	1
8	3
9	0
10	1
11	0
12	2
13	1
14	2
15	0
16	4
17	0
18	1
19	1
20	2
21	1
22	1
23	1
24	3
25	0
26	2
27	0
28	3
29	1
30	1
31	0
32	5
33	0
34	1
35	1
36	2
37	1
38	2
39	1
40	3
41	0
42	2
43	1
44	2
45	0
46	2
47	1
48	4
49	2
50	1
51	0
52	3
53	1
54	1
55	0
56	4
57	1
58	2
59	0
60	2
61	1
62	1
63	1
64	6
65	1
66	1
67	0
68	2
69	1
70	2
71	1
72	3
73	1
74	2
75	0
76	3
77	1
78	2
79	1
80	4
81	0
82	1
83	0
84	3
85	0
86	2
87	1

n	a(n)
1	0
2	1
3	0
4	2
5	0
6	1
7	1
8	3
9	0
10	1
11	0
12	2
13	1
14	2
15	0
16	4
17	0
18	1
19	1
20	2
21	1
22	1
23	1
24	3
25	0
26	2
27	0
28	3
29	1
30	1
31	0
32	5
33	0
34	1
35	1
36	2
37	1
38	2
39	1
40	3
41	0
42	2
43	1
44	2
45	0
46	2
47	1
48	4
49	2
50	1
51	0
52	3
53	1
54	1
55	0
56	4
57	1
58	2
59	0
60	2
61	1
62	1
63	1
64	6
65	1
66	1
67	0
68	2
69	1
70	2
71	1
72	3
73	1
74	2
75	0
76	3
77	1
78	2
79	1
80	4
81	0
82	1
83	0
84	3
85	0
86	2
87	1