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 | 2 |
| 2 | 3 |
| 3 | 13 |
| 4 | 289 |
| 5 | 34561 |
| 6 | 24883201 |
| 7 | 125411328001 |
| 8 | 5056584744960001 |
| 9 | 1834933472251084800001 |
| 10 | 6658606584104736522240000001 |
| 11 | 265790267296391946810949632000000001 |