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 | 34 |
| 2 | 192 |
| 3 | 1252 |
| 4 | 3645 |
| 5 | 12063 |
| 6 | 28672 |
| 7 | 71970 |
| 8 | 140625 |
| 9 | 287570 |
| 10 | 513216 |
| 11 | 936348 |
| 12 | 1529437 |
| 13 | 2544535 |
| 14 | 3932160 |
| 15 | 6155908 |
| 16 | 9034497 |
| 17 | 13408074 |
| 18 | 19000000 |
| 19 | 27138660 |
| 20 | 37202781 |
| 21 | 51353159 |
| 22 | 68677632 |
| 23 | 92363430 |
| 24 | 120670225 |
| 25 | 158439658 |
| 26 | 203297472 |
| 27 | 261905308 |