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 | 3 |
| 2 | 4 |
| 3 | 6 |
| 4 | 12 |
| 5 | 14 |
| 6 | 54 |
| 7 | 74 |
| 8 | 102 |
| 9 | 114 |
| 10 | 302 |
| 11 | 318 |
| 12 | 366 |
| 13 | 614 |
| 14 | 1178 |
| 15 | 1188 |
| 16 | 3110 |
| 17 | 7284 |
| 18 | 21432 |
| 19 | 21906 |
| 20 | 25848 |
| 21 | 29882 |
| 22 | 38618 |
| 23 | 41990 |
| 24 | 84510 |
| 25 | 86022 |