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 | 1 |
| 2 | 2 |
| 3 | 10 |
| 4 | 14 |
| 5 | 25 |
| 6 | 185 |
| 7 | 460 |
| 8 | 1357 |
| 9 | 13027 |
| 10 | 28264 |
| 11 | 73895 |
| 12 | 242950 |
| 13 | 1077514 |
| 14 | 1521516 |
| 15 | 7806974 |