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 | 1 |
| 2 | 5 |
| 3 | 14 |
| 4 | 39 |
| 5 | 88 |
| 6 | 209 |
| 7 | 434 |
| 8 | 918 |
| 9 | 1818 |
| 10 | 3582 |
| 11 | 6718 |
| 12 | 12647 |
| 13 | 22848 |
| 14 | 41073 |
| 15 | 72049 |
| 16 | 125410 |
| 17 | 213619 |
| 18 | 361844 |
| 19 | 601944 |
| 20 | 995073 |
| 21 | 1622337 |
| 22 | 2626341 |
| 23 | 4201366 |
| 24 | 6681991 |
| 25 | 10515755 |
| 26 | 16449851 |
| 27 | 25509951 |
| 28 | 39333475 |
| 29 | 60172700 |
| 30 | 91577516 |
| 31 | 138390480 |
| 32 | 208096281 |
| 33 | 310976730 |
| 34 | 462512830 |