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.

A106257 Numbers k such that k^2 = 12*n^2 + 13.

Table of values

n a(n)
1 5
2 11
3 59
4 149
5 821
6 2075
7 11435
8 28901
9 159269
10 402539
11 2218331
12 5606645
13 30897365
14 78090491
15 430344779
16 1087660229
17 5993929541
18 15149152715
19 83484668795
20 211000477781
21 1162791433589
22 2938857536219
23 16195595401451

List of values

[5, 11, 59, 149, 821, 2075, 11435, 28901, 159269, 402539, 2218331, 5606645, 30897365, 78090491, 430344779, 1087660229, 5993929541, 15149152715, 83484668795, 211000477781, 1162791433589, 2938857536219, 16195595401451]