A349518 - cp's OEIS frontend

A349518 a(n)=x is the least prime with pi(x,4,3) - pi(x,4,1) = n-1 where pi(x,4,k) is the number of primes 4*j + k <= x.

n	a(n)
1	2
2	3
3	11
4	71
5	83
6	223
7	227
8	503
9	751
10	1531
11	1543
12	1571
13	1579
14	1583
15	4127
16	5147
17	5171
18	5179
19	5651
20	6211
21	11083
22	11087
23	11471
24	11483
25	11519
26	11527
27	11579
28	11587
29	17239
30	17551
31	17903
32	17971
33	35963
34	36011
35	39703
36	39727

[2, 3, 11, 71, 83, 223, 227, 503, 751, 1531, 1543, 1571, 1579, 1583, 4127, 5147, 5171, 5179, 5651, 6211, 11083, 11087, 11471, 11483, 11519, 11527, 11579, 11587, 17239, 17551, 17903, 17971, 35963, 36011, 39703, 39727]

cp's OEIS Frontend

A349518 a(n)=x is the least prime with pi(x,4,3) - pi(x,4,1) = n-1 where pi(x,4,k) is the number of primes 4*j + k <= x.

Table of values

List of values