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 | 2 |
| 3 | 6 |
| 4 | 3 |
| 5 | 14 |
| 6 | 50 |
| 7 | 5 |
| 8 | 34 |
| 9 | 179 |
| 10 | 892 |
| 11 | 7 |
| 12 | 72 |
| 13 | 548 |
| 14 | 3765 |
| 15 | 21225 |
| 16 | 11 |
| 17 | 157 |
| 18 | 1651 |
| 19 | 14961 |
| 20 | 108798 |
| 21 | 700212 |
| 22 | 15 |
| 23 | 311 |
| 24 | 4485 |
| 25 | 53196 |
| 26 | 491235 |
| 27 | 3903733 |