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 | 4 |
| 4 | 9 |
| 5 | 10 |
| 6 | 13 |
| 7 | 19 |
| 8 | 21 |
| 9 | 25 |
| 10 | 28 |
| 11 | 70 |
| 12 | 81 |
| 13 | 97 |
| 14 | 106 |
| 15 | 291 |
| 16 | 369 |
| 17 | 460 |
| 18 | 577 |
| 19 | 4705 |
| 20 | 5427 |
| 21 | 7153 |
| 22 | 7191 |
| 23 | 7885 |
| 24 | 12070 |
| 25 | 20794 |
| 26 | 34855 |