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 | 3 |
| 2 | 5 |
| 3 | 6 |
| 4 | 8 |
| 5 | 11 |
| 6 | 17 |
| 7 | 23 |
| 8 | 36 |
| 9 | 77 |
| 10 | 93 |
| 11 | 94 |
| 12 | 109 |
| 13 | 304 |
| 14 | 497 |
| 15 | 1330 |
| 16 | 1996 |
| 17 | 3027 |
| 18 | 3053 |
| 19 | 4529 |
| 20 | 5841 |
| 21 | 20556 |
| 22 | 26558 |
| 23 | 28167 |