A248912 - cp's OEIS frontend

A248912 a(n) = floor(prime(n) - (n+1)*(log(n) + log(log(n))) + n) for n > 1.

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

[4, 3, 2, 3, 2, 3, 1, 2, 4, 2, 4, 4, 2, 2, 4, 6, 3, 5, 5, 2, 3, 3, 4, 7, 7, 4, 3, 0, -1, 8, 7, 8, 5, 10, 7, 7, 8, 7, 8, 8, 5, 10, 6, 5, 1, 8, 14, 13, 9, 8, 8, 5, 9, 9, 10, 10, 6, 7, 5, 1, 5, 13, 12, 8, 6, 14, 14, 18, 14, 12, 12, 14, 14, 14, 12, 12, 14, 12, 14]

cp's OEIS Frontend

A248912 a(n) = floor(prime(n) - (n+1)*(log(n) + log(log(n))) + n) for n > 1.

Table of values

List of values

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

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

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