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 | 2 |
| 1 | 55 |
| 2 | 1597 |
| 3 | 46368 |
| 4 | 1346269 |
| 5 | 39088169 |
| 6 | 1134903170 |
| 7 | 32951280099 |
| 8 | 956722026041 |
| 9 | 27777890035288 |
| 10 | 806515533049393 |
| 11 | 23416728348467685 |
| 12 | 679891637638612258 |
| 13 | 19740274219868223167 |
| 14 | 573147844013817084101 |
| 15 | 16641027750620563662096 |