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) |
|---|---|
| 0 | 1 |
| 1 | 8 |
| 2 | 306 |
| 3 | 7546 |
| 4 | 210690 |
| 5 | 5684228 |
| 6 | 154869092 |
| 7 | 4207660108 |
| 8 | 114411435032 |
| 9 | 3110251075956 |
| 10 | 84557403666284 |
| 11 | 2298788023809188 |
| 12 | 62495515282157930 |
| 13 | 1699018055917569318 |
| 14 | 46189937030173640586 |
| 15 | 1255731173553810109440 |
| 16 | 34138623221740999081824 |
| 17 | 928101175618008434398704 |