A085341 - cp's OEIS frontend

A085341 Number of primes between sigma(n) and n inclusive.

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

[0, 1, 0, 2, 0, 2, 0, 2, 2, 3, 0, 4, 0, 3, 3, 5, 0, 5, 0, 5, 3, 3, 0, 8, 2, 4, 3, 7, 0, 10, 0, 7, 4, 5, 4, 13, 0, 5, 4, 12, 0, 11, 0, 9, 7, 6, 0, 15, 1, 9, 5, 10, 0, 14, 4, 14, 6, 8, 0, 22, 0, 6, 9, 13, 5, 16, 0, 11, 5, 15, 0, 24, 0, 9, 9, 13, 3, 18, 0, 20, 8]

cp's OEIS Frontend

A085341 Number of primes between sigma(n) and n inclusive.

Table of values

List of values

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

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

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