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.

A089437 Numbers k such that 4^k + 3 is prime.

Table of values

n a(n)
1 1
2 2
3 3
4 6
5 8
6 9
7 14
8 15
9 42
10 114
11 195
12 392
13 555
14 852
15 1004
16 1185
17 2001
18 2030
19 2031
20 2276
21 8610
22 8967
23 10362
24 11366
25 15927
26 16514
27 17877
28 19122
29 19898
30 27728
31 29156
32 61275
33 102981
34 117663
35 181560
36 239922
37 342789
38 371226
39 717200
40 937776
41 970406
42 1102722

List of values

[1, 2, 3, 6, 8, 9, 14, 15, 42, 114, 195, 392, 555, 852, 1004, 1185, 2001, 2030, 2031, 2276, 8610, 8967, 10362, 11366, 15927, 16514, 17877, 19122, 19898, 27728, 29156, 61275, 102981, 117663, 181560, 239922, 342789, 371226, 717200, 937776, 970406, 1102722]

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

Content is available under The OEIS End-User License Agreement.