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 | 13 |
| 2 | 74 |
| 3 | 219 |
| 4 | 484 |
| 5 | 905 |
| 6 | 1518 |
| 7 | 2359 |
| 8 | 3464 |
| 9 | 4869 |
| 10 | 6610 |
| 11 | 8723 |
| 12 | 11244 |
| 13 | 14209 |
| 14 | 17654 |
| 15 | 21615 |
| 16 | 26128 |
| 17 | 31229 |
| 18 | 36954 |
| 19 | 43339 |
| 20 | 50420 |
| 21 | 58233 |
| 22 | 66814 |
| 23 | 76199 |
| 24 | 86424 |
| 25 | 97525 |
| 26 | 109538 |
| 27 | 122499 |
| 28 | 136444 |
| 29 | 151409 |
| 30 | 167430 |
| 31 | 184543 |
| 32 | 202784 |
| 33 | 222189 |
| 34 | 242794 |