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 | 36 |
| 2 | 1296 |
| 3 | 28176 |
| 4 | 424326 |
| 5 | 4844576 |
| 6 | 44435746 |
| 7 | 340780382 |
| 8 | 2249643632 |
| 9 | 13068669308 |
| 10 | 67970305364 |
| 11 | 320903298144 |
| 12 | 1390873688506 |
| 13 | 5586138847981 |
| 14 | 20953028554541 |
| 15 | 73888808853350 |
| 16 | 246365532350644 |
| 17 | 780525967950004 |
| 18 | 2359724042194860 |