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) |
|---|---|
| 5 | 1 |
| 6 | 2 |
| 7 | 5 |
| 8 | 13 |
| 9 | 34 |
| 10 | 89 |
| 11 | 232 |
| 12 | 596 |
| 13 | 1490 |
| 14 | 3588 |
| 15 | 8273 |
| 16 | 18228 |
| 17 | 38403 |
| 18 | 77533 |
| 19 | 150438 |
| 20 | 281403 |
| 21 | 509015 |
| 22 | 892926 |
| 23 | 1523117 |
| 24 | 2532359 |
| 25 | 4112704 |
| 26 | 6536993 |
| 27 | 10186540 |
| 28 | 15586342 |
| 29 | 23449376 |
| 30 | 34731776 |
| 31 | 50700937 |
| 32 | 73018870 |
| 33 | 103843433 |
| 34 | 145950389 |
| 35 | 202879594 |
| 36 | 279108997 |
| 37 | 380260541 |