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 | 1326 |
| 2 | 9180 |
| 3 | 24531 |
| 4 | 1979055 |
| 5 | 5325216 |
| 6 | 39529386 |
| 7 | 106368405 |
| 8 | 8616365901 |
| 9 | 23185550130 |
| 10 | 172110498456 |
| 11 | 463127571831 |
| 12 | 37515654714891 |
| 13 | 100949879501796 |
| 14 | 749369070309030 |
| 15 | 2016457340944761 |
| 16 | 163343152011830505 |
| 17 | 439535752164830646 |
| 18 | 3262752760014579156 |