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) |
|---|---|
| 2 | 3 |
| 3 | 4 |
| 4 | 2 |
| 5 | 1 |
| 6 | 3 |
| 7 | 1224 |
| 8 | 551 |
| 9 | 1 |
| 10 | 697 |
| 11 | 66 |
| 12 | 60 |
| 13 | 31 |
| 14 | 12 |
| 15 | 7 |
| 16 | 24641820 |
| 17 | 3343240 |
| 18 | 122610 |
| 19 | 134 |
| 20 | 4 |
| 21 | 101 |
| 22 | 80 |
| 23 | 1 |
| 24 | 979 |
| 25 | 518 |
| 26 | 1414 |