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 | 1 |
| 2 | 232 |
| 3 | 296 |
| 4 | 10766 |
| 5 | 56088 |
| 6 | 812004 |
| 7 | 6290716 |
| 8 | 61126790 |
| 9 | 491825108 |
| 10 | 4180573372 |
| 11 | 33502889991 |
| 12 | 273041099842 |
| 13 | 2183663605890 |
| 14 | 17568263304218 |
| 15 | 140464317638347 |
| 16 | 1125725667836824 |
| 17 | 9002272474197863 |
| 18 | 72061032003482452 |
| 19 | 576368920287459218 |