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) |
|---|---|
| 3 | 8 |
| 4 | 33 |
| 5 | 168 |
| 6 | 970 |
| 7 | 6168 |
| 8 | 42069 |
| 9 | 301376 |
| 10 | 2241420 |
| 11 | 17173224 |
| 12 | 134806948 |
| 13 | 1079802216 |
| 14 | 8798329080 |
| 15 | 72748583832 |
| 16 | 609220407150 |
| 17 | 5158999447488 |