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 | 41 |
| 4 | 1380 |
| 5 | 31225 |
| 6 | 592824 |
| 7 | 10185056 |
| 8 | 164037704 |
| 9 | 2525186319 |
| 10 | 37596421940 |
| 11 | 545585129474 |
| 12 | 7758174844664 |
| 13 | 108518545261360 |
| 14 | 1497384373878512 |
| 15 | 20426386710028260 |
| 16 | 275940187259609296 |
| 17 | 3696482210884173349 |