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) |
|---|---|
| 6 | 1 |
| 7 | 2 |
| 8 | 6 |
| 9 | 17 |
| 10 | 50 |
| 11 | 142 |
| 12 | 409 |
| 13 | 1169 |
| 14 | 3356 |
| 15 | 9617 |
| 16 | 27601 |
| 17 | 79210 |
| 18 | 227527 |
| 19 | 653793 |
| 20 | 1879867 |
| 21 | 5407806 |
| 22 | 15564968 |
| 23 | 44820889 |
| 24 | 129127761 |
| 25 | 372177974 |
| 26 | 1073169150 |
| 27 | 3095721985 |
| 28 | 8933568154 |
| 29 | 25789862435 |
| 30 | 74477871565 |
| 31 | 215155604291 |
| 32 | 621754458752 |
| 33 | 1797297119000 |
| 34 | 5196966140656 |