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 | 36 |
| 2 | 92 |
| 3 | 197 |
| 4 | 400 |
| 5 | 799 |
| 6 | 1590 |
| 7 | 3165 |
| 8 | 6308 |
| 9 | 12587 |
| 10 | 25138 |
| 11 | 50184 |
| 12 | 100171 |
| 13 | 199942 |
| 14 | 399085 |
| 15 | 796580 |
| 16 | 1589995 |
| 17 | 3173682 |
| 18 | 6334777 |
| 19 | 12644416 |
| 20 | 25238648 |
| 21 | 50377125 |
| 22 | 100554308 |
| 23 | 200709531 |
| 24 | 400622482 |
| 25 | 799654969 |
| 26 | 1596136256 |
| 27 | 3185937735 |
| 28 | 6359231054 |