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.
n | a(n) |
---|---|
1 | 9 |
2 | 63 |
3 | 513 |
4 | 3423 |
5 | 18589 |
6 | 73035 |
7 | 225479 |
8 | 617215 |
9 | 1622001 |
10 | 4300263 |
11 | 12128763 |
12 | 37076783 |
13 | 122411649 |
14 | 427600575 |
15 | 1550703157 |
16 | 5759666431 |
17 | 21738733961 |
18 | 82999762711 |
19 | 319722139579 |
20 | 1240393764207 |
21 | 4840363237201 |
22 | 18979321319087 |
23 | 74713018378209 |
24 | 295061102101311 |