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 | 10 |
| 2 | 60 |
| 3 | 275 |
| 4 | 1050 |
| 5 | 3492 |
| 6 | 10401 |
| 7 | 28288 |
| 8 | 71266 |
| 9 | 168155 |
| 10 | 374868 |
| 11 | 795158 |
| 12 | 1614184 |
| 13 | 3151188 |
| 14 | 5939970 |
| 15 | 10848924 |
| 16 | 19256291 |
| 17 | 33301148 |
| 18 | 56236656 |
| 19 | 92919425 |
| 20 | 150477730 |
| 21 | 239211960 |
| 22 | 373793355 |
| 23 | 574842060 |
| 24 | 870983100 |
| 25 | 1301499381 |
| 26 | 1919724600 |