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 | 2 |
| 2 | 3 |
| 3 | 4 |
| 4 | 25 |
| 5 | 29 |
| 6 | 603 |
| 7 | 6363181 |
| 8 | 21366409911 |
| 9 | 279238341033925 |
| 10 | 2907021742443974 |
| 11 | 11220808305309952 |
| 12 | 11885037375341198280 |