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 | 58 |
| 2 | 464 |
| 3 | 2668 |
| 4 | 10360 |
| 5 | 32398 |
| 6 | 82348 |
| 7 | 189660 |
| 8 | 387900 |
| 9 | 744378 |
| 10 | 1335780 |
| 11 | 2289960 |
| 12 | 3737824 |
| 13 | 5914730 |
| 14 | 9025016 |
| 15 | 13447116 |
| 16 | 19506256 |
| 17 | 27749742 |
| 18 | 38646260 |
| 19 | 53006324 |
| 20 | 71470164 |
| 21 | 95143346 |
| 22 | 124907012 |
| 23 | 162219976 |
| 24 | 208226592 |
| 25 | 264893594 |
| 26 | 333635648 |