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 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 5 |
| 6 | 9 |
| 7 | 32 |
| 8 | 243 |
| 9 | 4096 |
| 10 | 59049 |
| 11 | 177147 |
| 12 | 134217728 |
| 13 | 31381059609 |
| 14 | 282429536481 |
| 15 | 288230376151711744 |
| 16 | 450283905890997363 |
| 17 | 8862938119652501095929 |
| 18 | 2153693963075557766310747 |