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 | 2 |
| 4 | 3 |
| 5 | 6 |
| 6 | 9 |
| 7 | 10 |
| 8 | 22 |
| 9 | 30 |
| 10 | 42 |
| 11 | 57 |
| 12 | 87 |
| 13 | 174 |
| 14 | 195 |
| 15 | 198 |
| 16 | 562 |
| 17 | 994 |
| 18 | 2421 |
| 19 | 2487 |
| 20 | 4629 |
| 21 | 5838 |
| 22 | 13698 |
| 23 | 14730 |
| 24 | 16966 |
| 25 | 25851 |
| 26 | 98634 |
| 27 | 117222 |
| 28 | 192819 |
| 29 | 226038 |
| 30 | 296115 |
| 31 | 318465 |
| 32 | 355902 |