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 | 10 |
| 2 | 80 |
| 3 | 726 |
| 4 | 6160 |
| 5 | 52486 |
| 6 | 438968 |
| 7 | 3687480 |
| 8 | 30776992 |
| 9 | 257108784 |
| 10 | 2144437176 |