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 | 1 |
| 1 | 1 |
| 2 | 10 |
| 3 | 231 |
| 4 | 9880 |
| 5 | 644845 |
| 6 | 58790736 |
| 7 | 7077540295 |
| 8 | 1081801600384 |
| 9 | 203836779804537 |
| 10 | 46268684631596800 |