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) |
|---|---|
| 0 | 2 |
| 1 | 41 |
| 2 | 292 |
| 3 | 1283 |
| 4 | 4253 |
| 5 | 11712 |
| 6 | 28261 |
| 7 | 61738 |
| 8 | 124763 |
| 9 | 236762 |
| 10 | 426557 |
| 11 | 735616 |
| 12 | 1222064 |
| 13 | 1965563 |
| 14 | 3073176 |
| 15 | 4686337 |
| 16 | 6989056 |
| 17 | 10217495 |
| 18 | 14671058 |
| 19 | 20725145 |
| 20 | 28845727 |
| 21 | 39605906 |
| 22 | 53704631 |
| 23 | 71987748 |
| 24 | 95471569 |
| 25 | 125369152 |
| 26 | 163119491 |