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 | 62 |
| 3 | 227 |
| 4 | 265 |
| 5 | 334 |
| 6 | 551 |
| 7 | 3683 |
| 8 | 3694 |
| 9 | 3713 |
| 10 | 4079 |
| 11 | 9217 |
| 12 | 15347 |
| 13 | 32735 |
| 14 | 71833 |
| 15 | 124633 |
| 16 | 428951 |
| 17 | 1339553 |
| 18 | 1350893 |
| 19 | 1890397 |
| 20 | 1990567 |
| 21 | 2104231 |
| 22 | 2699731 |
| 23 | 26658887 |
| 24 | 29811029 |
| 25 | 30475973 |