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.

A122478 Minimum number k>0 such that ((2n+1)^k - (2n-1)^k)/2 is prime.

Table of values

n a(n)
1 3
2 13
3 3
4 3
5 5
6 3
7 17
8 3
9 163
10 3
11 3
12 109
13 3
14 13
15 19
16 5
17 3
18 3
19 1879
20 3
21 13
22 379
23 7
24 1531
25 7
26 5
27 337
28 5
29 3
30 61
31 19
32 3
33 23
34 3
35 11
36 16417
37 163
38 23
39 3
40 5
41 3
42 3
43 3
44 5

List of values

[3, 13, 3, 3, 5, 3, 17, 3, 163, 3, 3, 109, 3, 13, 19, 5, 3, 3, 1879, 3, 13, 379, 7, 1531, 7, 5, 337, 5, 3, 61, 19, 3, 23, 3, 11, 16417, 163, 23, 3, 5, 3, 3, 3, 5]