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 | 3 |
| 2 | 29 |
| 3 | 569 |
| 4 | 6701 |
| 5 | 64919 |
| 6 | 1720289 |
| 7 | 256828391 |
| 8 | 33090566651 |
| 9 | 248804328761 |
| 10 | 55130906480861 |
| 11 | 119321483551349 |