cp's OEIS Frontend

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.

A055623 First occurrence of run of primes congruent to 1 mod 4 of exactly length n.

Table of values

n a(n)
1 5
2 13
3 89
4 389
5 2593
6 12401
7 77069
8 262897
9 11593
10 373649
11 766261
12 3358169
13 12204889
14 18256561
15 23048897
16 12270077
17 297387757
18 310523021
19 297779117
20 3670889597
21 5344989829
22 1481666377
23 2572421893
24 1113443017
25 121117598053
26 84676452781
27 790457451349
28 3498519134533
29 689101181569
30 3289884073409

List of values

[5, 13, 89, 389, 2593, 12401, 77069, 262897, 11593, 373649, 766261, 3358169, 12204889, 18256561, 23048897, 12270077, 297387757, 310523021, 297779117, 3670889597, 5344989829, 1481666377, 2572421893, 1113443017, 121117598053, 84676452781, 790457451349, 3498519134533, 689101181569, 3289884073409]

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

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