A195377 - cp's OEIS frontend

A195377 2.5-gap primes: Prime p is a term if there is no prime between 2.5p and 2.5q, where q is the next prime after p.

n	a(n)
1	127
2	197
3	281
4	311
5	347
6	431
7	613
8	659
9	673
10	739
11	877
12	991
13	1049
14	1229
15	1277
16	1289
17	1367
18	1481
19	1579
20	1613
21	1667
22	1721
23	1787
24	1877
25	1907
26	2027
27	2081
28	2087
29	2141
30	2203
31	2213
32	2237
33	2239
34	2269
35	2287
36	2309
37	2377
38	2383
39	2473
40	2657
41	2689
42	2707
43	2749
44	2767
45	2801

[127, 197, 281, 311, 347, 431, 613, 659, 673, 739, 877, 991, 1049, 1229, 1277, 1289, 1367, 1481, 1579, 1613, 1667, 1721, 1787, 1877, 1907, 2027, 2081, 2087, 2141, 2203, 2213, 2237, 2239, 2269, 2287, 2309, 2377, 2383, 2473, 2657, 2689, 2707, 2749, 2767, 2801]

cp's OEIS Frontend

A195377 2.5-gap primes: Prime p is a term if there is no prime between 2.5p and 2.5q, where q is the next prime after p.

Table of values

List of values

cp's OEIS Frontend

A195377 2.5-gap primes: Prime p is a term if there is no prime between 2.5*p and 2.5*q, where q is the next prime after p.

Table of values

List of values

A195377 2.5-gap primes: Prime p is a term if there is no prime between 2.5p and 2.5q, where q is the next prime after p.