A185006 - cp's OEIS frontend

A185006 Ramanujan primes R_(4,1)(n): a(n) is the smallest number such that if x >= a(n), then pi_(4,1)(x) - pi_(4,1)(x/2) >= n, where pi_(4,1)(x) is the number of primes==1 (mod 4) <= x.

n	a(n)
1	13
2	37
3	41
4	89
5	97
6	109
7	149
8	229
9	233
10	241
11	257
12	277
13	281
14	317
15	349
16	397
17	401
18	409
19	421
20	433
21	569
22	593
23	601
24	641
25	653
26	661
27	709
28	757
29	761
30	821
31	929
32	937
33	941
34	953
35	977
36	997
37	1009
38	1021
39	1049
40	1061
41	1093
42	1097
43	1117
44	1193
45	1213
46	1237
47	1249

[13, 37, 41, 89, 97, 109, 149, 229, 233, 241, 257, 277, 281, 317, 349, 397, 401, 409, 421, 433, 569, 593, 601, 641, 653, 661, 709, 757, 761, 821, 929, 937, 941, 953, 977, 997, 1009, 1021, 1049, 1061, 1093, 1097, 1117, 1193, 1213, 1237, 1249]

cp's OEIS Frontend

A185006 Ramanujan primes R_(4,1)(n): a(n) is the smallest number such that if x >= a(n), then pi_(4,1)(x) - pi_(4,1)(x/2) >= n, where pi_(4,1)(x) is the number of primes==1 (mod 4) <= x.

Table of values

List of values