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 | 11 |
| 2 | 136 |
| 3 | 731 |
| 4 | 2606 |
| 5 | 7179 |
| 6 | 16660 |
| 7 | 34233 |
| 8 | 64220 |
| 9 | 112263 |
| 10 | 185506 |
| 11 | 292759 |
| 12 | 444680 |
| 13 | 653957 |
| 14 | 935472 |
| 15 | 1306483 |
| 16 | 1786806 |
| 17 | 2398979 |
| 18 | 3168444 |
| 19 | 4123729 |
| 20 | 5296612 |
| 21 | 6722303 |
| 22 | 8439626 |
| 23 | 10491183 |
| 24 | 12923536 |
| 25 | 15787389 |
| 26 | 19137752 |
| 27 | 23034123 |
| 28 | 27540670 |
| 29 | 32726395 |