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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A349519 a(n)=x is the least prime with pi(x,4,3) - pi(x,4,1) = 1-n where pi(x,4,k) is the number of primes 4*j + k <= x.

Table of values

n a(n)
1 2
2 26861
3 616897
4 616909
5 616933
6 623641
7 623653
8 623669
9 623681
10 12315529
11 12315581
12 12315613
13 12315617
14 12362653
15 12362657
16 12362717
17 12362741
18 12362981
19 12362989
20 12365033
21 12365057
22 12365153
23 12365173
24 12365201
25 12366589
26 951821281

List of values

[2, 26861, 616897, 616909, 616933, 623641, 623653, 623669, 623681, 12315529, 12315581, 12315613, 12315617, 12362653, 12362657, 12362717, 12362741, 12362981, 12362989, 12365033, 12365057, 12365153, 12365173, 12365201, 12366589, 951821281]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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