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 | 20 |
| 2 | 400 |
| 3 | 5362 |
| 4 | 72078 |
| 5 | 822518 |
| 6 | 9417681 |
| 7 | 96400068 |
| 8 | 988187354 |
| 9 | 9183421888 |
| 10 | 85375278064 |
| 11 | 726155461002 |