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 | 33 |
| 1 | 492 |
| 2 | 2055 |
| 3 | 5898 |
| 4 | 13797 |
| 5 | 28248 |
| 6 | 52587 |
| 7 | 91110 |
| 8 | 149193 |
| 9 | 233412 |
| 10 | 351663 |
| 11 | 513282 |
| 12 | 729165 |
| 13 | 1011888 |
| 14 | 1375827 |
| 15 | 1837278 |
| 16 | 2414577 |
| 17 | 3128220 |
| 18 | 4000983 |
| 19 | 5058042 |
| 20 | 6327093 |
| 21 | 7838472 |
| 22 | 9625275 |
| 23 | 11723478 |
| 24 | 14172057 |
| 25 | 17013108 |
| 26 | 20291967 |
| 27 | 24057330 |