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) |
|---|---|
| 0 | 5 |
| 1 | 7 |
| 2 | 23 |
| 3 | 37 |
| 4 | 133 |
| 5 | 215 |
| 6 | 775 |
| 7 | 1253 |
| 8 | 4517 |
| 9 | 7303 |
| 10 | 26327 |
| 11 | 42565 |
| 12 | 153445 |
| 13 | 248087 |
| 14 | 894343 |
| 15 | 1445957 |
| 16 | 5212613 |
| 17 | 8427655 |
| 18 | 30381335 |
| 19 | 49119973 |
| 20 | 177075397 |
| 21 | 286292183 |
| 22 | 1032071047 |
| 23 | 1668633125 |
| 24 | 6015350885 |
| 25 | 9725506567 |
| 26 | 35060034263 |
| 27 | 56684406277 |
| 28 | 204344854693 |
| 29 | 330380931095 |