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 | 9 |
| 3 | 78 |
| 4 | 681 |
| 5 | 6353 |
| 6 | 59634 |
| 7 | 570157 |
| 8 | 5510645 |
| 9 | 53680317 |
| 10 | 525651276 |
| 11 | 5166809159 |
| 12 | 50931212973 |
| 13 | 503152799893 |
| 14 | 4979293536415 |