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 | 0 |
| 1 | 1 |
| 2 | 14 |
| 3 | 243 |
| 4 | 9692 |
| 5 | 865445 |
| 6 | 196868202 |
| 7 | 122831606807 |
| 8 | 219073289264824 |
| 9 | 1139077903664789577 |
| 10 | 17597009238919048388550 |
| 11 | 821444189426979675481201211 |
| 12 | 116802449602563244067365434335892 |
| 13 | 50816512870344533477388136382624158445 |