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 | 64 |
| 3 | 486 |
| 4 | 2080 |
| 5 | 6250 |
| 6 | 16038 |
| 7 | 33614 |
| 8 | 67584 |
| 9 | 118341 |
| 10 | 206250 |
| 11 | 322102 |
| 12 | 515264 |
| 13 | 742586 |
| 14 | 1109262 |
| 15 | 1525000 |
| 16 | 2163712 |
| 17 | 2839714 |
| 18 | 3912786 |
| 19 | 4952198 |
| 20 | 6606250 |
| 21 | 8201816 |
| 22 | 10629366 |
| 23 | 12872686 |
| 24 | 16504000 |
| 25 | 19534375 |
| 26 | 24505338 |
| 27 | 28815912 |
| 28 | 35529998 |
| 29 | 41022298 |
| 30 | 50334302 |