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 | 2 |
| 3 | 3 |
| 4 | 5 |
| 5 | 11 |
| 6 | 18 |
| 7 | 68 |
| 8 | 77 |
| 9 | 124 |
| 10 | 173 |
| 11 | 205 |
| 12 | 293 |
| 13 | 1037 |
| 14 | 1530 |
| 15 | 1905 |
| 16 | 2342 |
| 17 | 3401 |
| 18 | 4372 |
| 19 | 4679 |
| 20 | 5385 |