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 | 81 |
| 2 | 6561 |
| 3 | 186004 |
| 4 | 2558848 |
| 5 | 22935921 |
| 6 | 153196498 |
| 7 | 822895397 |
| 8 | 3731866676 |
| 9 | 14772553616 |
| 10 | 52279545002 |
| 11 | 168389072033 |
| 12 | 500454038667 |
| 13 | 1387317570171 |
| 14 | 3618413260028 |
| 15 | 8942729611918 |
| 16 | 21066089007345 |
| 17 | 47533740360251 |