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 | 0 |
| 1 | 4 |
| 2 | 46 |
| 3 | 157 |
| 4 | 222 |
| 5 | 220 |
| 6 | 2269 |
| 7 | 11019 |
| 8 | 18842 |
| 9 | 192918 |
| 10 | 192916 |
| 11 | 271979 |
| 12 | 1039316 |
| 13 | 7193133 |
| 14 | 14060686 |
| 15 | 97428976 |