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 | 100 |
| 3 | 350 |
| 4 | 1271 |
| 5 | 3773 |
| 6 | 11497 |
| 7 | 36868 |
| 8 | 116117 |
| 9 | 361408 |
| 10 | 1134028 |
| 11 | 3564401 |
| 12 | 11172725 |
| 13 | 35022953 |
| 14 | 109875752 |
| 15 | 344642683 |
| 16 | 1080804698 |
| 17 | 3389755038 |
| 18 | 10631811817 |
| 19 | 33344912997 |
| 20 | 104580332523 |
| 21 | 328001505224 |
| 22 | 1028729270911 |
| 23 | 3226449372360 |