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) |
|---|---|
| 4 | 160 |
| 5 | 1750 |
| 6 | 10044 |
| 7 | 40817 |
| 8 | 132608 |
| 9 | 367416 |
| 10 | 903000 |
| 11 | 2020458 |
| 12 | 4191264 |
| 13 | 8168446 |
| 14 | 15107092 |
| 15 | 26719875 |
| 16 | 45473792 |
| 17 | 74834816 |
| 18 | 119567664 |
| 19 | 186098388 |
| 20 | 282948000 |
| 21 | 421245846 |
| 22 | 615331948 |
| 23 | 883458037 |
| 24 | 1248597504 |
| 25 | 1739375000 |
| 26 | 2391126920 |