A144309 - cp's OEIS frontend

A144309 a(n) is the index of the smallest prime such that the gap to the next prime is not less than 2*n.

n	a(n)
1	2
2	4
3	9
4	24
5	30
6	30
7	30
8	99
9	99
10	154
11	189
12	217
13	217
14	217
15	217
16	217
17	217
18	1183
19	1831
20	1831
21	1831
22	1831
23	2225
24	2225
25	2225
26	2225
27	3385
28	3385
29	3385
30	3385
31	3385
32	3385
33	3385
34	3385
35	3385
36	3385
37	14357
38	14357
39	14357
40	14357
41	14357
42	14357
43	14357
44	30802
45	30802
46	30802

[2, 4, 9, 24, 30, 30, 30, 99, 99, 154, 189, 217, 217, 217, 217, 217, 217, 1183, 1831, 1831, 1831, 1831, 2225, 2225, 2225, 2225, 3385, 3385, 3385, 3385, 3385, 3385, 3385, 3385, 3385, 3385, 14357, 14357, 14357, 14357, 14357, 14357, 14357, 30802, 30802, 30802]

cp's OEIS Frontend

A144309 a(n) is the index of the smallest prime such that the gap to the next prime is not less than 2*n.

Table of values

List of values