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 | 113 |
| 2 | 23 |
| 3 | 41 |
| 4 | 2 |
| 5 | 61 |
| 6 | 1613 |
| 7 | 311 |
| 8 | 2011 |
| 9 | 401 |
| 10 | 4261 |
| 11 | 6067 |
| 12 | 852851 |
| 13 | 1977623 |
| 14 | 19599043 |
| 15 | 627071 |
| 16 | 35356513 |
| 17 | 331085113 |
| 18 | 1524559739 |