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 | 2 |
| 2 | 3 |
| 3 | 5 |
| 4 | 10 |
| 5 | 11 |
| 6 | 12 |
| 7 | 17 |
| 8 | 34 |
| 9 | 74 |
| 10 | 136 |
| 11 | 155 |
| 12 | 259 |
| 13 | 271 |
| 14 | 290 |
| 15 | 352 |
| 16 | 479 |
| 17 | 494 |
| 18 | 677 |
| 19 | 776 |
| 20 | 862 |
| 21 | 921 |
| 22 | 932 |
| 23 | 2211 |
| 24 | 3927 |
| 25 | 4688 |
| 26 | 12567 |