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 | 1 |
| 3 | 11 |
| 4 | 14 |
| 5 | 50 |
| 6 | 193 |
| 7 | 497 |
| 8 | 2135 |
| 9 | 2821 |
| 10 | 3761 |
| 11 | 7427 |
| 12 | 22739 |
| 13 | 30451 |
| 14 | 37951 |
| 15 | 55253 |