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 | 0 |
| 2 | 292 |
| 3 | 41618 |
| 4 | 4755445 |
| 5 | 570066685 |
| 6 | 68573607669 |
| 7 | 8233561918895 |
| 8 | 988927665068644 |
| 9 | 118765199887208210 |