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 | 6 |
| 2 | 36 |
| 3 | 216 |
| 4 | 1296 |
| 5 | 7776 |
| 6 | 46655 |
| 7 | 279924 |
| 8 | 1679508 |
| 9 | 10076832 |
| 10 | 60459696 |
| 11 | 362750400 |
| 12 | 2176455745 |
| 13 | 13058454546 |
| 14 | 78349047768 |
| 15 | 470084209776 |
| 16 | 2820444798960 |
| 17 | 16922306043360 |
| 18 | 101531659804415 |
| 19 | 609176900371944 |
| 20 | 3654983053183896 |