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 | 1 |
| 2 | 3 |
| 3 | 5 |
| 4 | 8 |
| 5 | 99 |
| 6 | 275 |
| 7 | 278 |
| 8 | 404 |
| 9 | 96 |
| 10 | 1538 |
| 11 | 1253 |
| 12 | 15858 |
| 13 | 189168 |
| 14 | 119552 |
| 15 | 221444 |
| 16 | 1047122 |
| 17 | 3571449 |
| 18 | 5424924 |
| 19 | 1575995 |