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 | 27 |
| 2 | 729 |
| 3 | 19683 |
| 4 | 474552 |
| 5 | 7077888 |
| 6 | 7414875 |
| 7 | 8489664 |
| 8 | 62099136 |
| 9 | 112678587 |
| 10 | 236029032 |
| 11 | 246491883 |
| 12 | 257259456 |
| 13 | 279726264 |
| 14 | 345948408 |
| 15 | 463684824 |
| 16 | 567663552 |
| 17 | 638277381 |
| 18 | 721734273 |
| 19 | 766060875 |
| 20 | 988047936 |
| 21 | 1177583616 |
| 22 | 1412467848 |
| 23 | 2131746903 |
| 24 | 2493326016 |
| 25 | 2714704875 |