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 | 10 |
| 2 | 86 |
| 3 | 581 |
| 4 | 4148 |
| 5 | 31984 |
| 6 | 261080 |
| 7 | 2208196 |
| 8 | 19132652 |
| 9 | 168806740 |
| 10 | 1510676802 |