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 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 0 |
| 8 | 0 |
| 9 | 0 |
| 10 | 0 |
| 11 | 0 |
| 12 | 0 |
| 13 | 0 |
| 14 | 3 |
| 15 | 69 |
| 16 | 798 |
| 17 | 7021 |
| 18 | 51775 |
| 19 | 339958 |
| 20 | 2053872 |
| 21 | 11665593 |
| 22 | 63192945 |
| 23 | 329798278 |
| 24 | 1670466031 |
| 25 | 8256762365 |
| 26 | 39992202198 |