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 | 5 |
| 3 | 13 |
| 4 | 18 |
| 5 | 32 |
| 6 | 41 |
| 7 | 53 |
| 8 | 72 |
| 9 | 89 |
| 10 | 113 |
| 11 | 128 |
| 12 | 149 |
| 13 | 181 |
| 14 | 205 |
| 15 | 242 |
| 16 | 265 |
| 17 | 313 |
| 18 | 338 |
| 19 | 373 |
| 20 | 421 |
| 21 | 450 |
| 22 | 512 |
| 23 | 545 |
| 24 | 584 |
| 25 | 648 |
| 26 | 697 |