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 | 1163 |
| 2 | 165212 |
| 3 | 8350154 |
| 4 | 219861244 |
| 5 | 3661410444 |
| 6 | 43307637038 |
| 7 | 392525216516 |
| 8 | 2873859236297 |
| 9 | 17659521902693 |
| 10 | 93729371629362 |
| 11 | 439299889862080 |
| 12 | 1850116568165210 |
| 13 | 7099972695985506 |
| 14 | 25111747601307148 |
| 15 | 82630828730010090 |