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 | 9 |
| 2 | 148 |
| 3 | 3493 |
| 4 | 106431 |
| 5 | 3950832 |
| 6 | 172325014 |
| 7 | 8617033285 |
| 8 | 485267003023 |
| 9 | 30363691715629 |
| 10 | 2088698040637242 |
| 11 | 156612539215405732 |
| 12 | 12709745319947141220 |
| 13 | 1109746209390479579732 |
| 14 | 103724343230007402591558 |
| 15 | 10332348604630683943445797 |
| 16 | 1092720669631704348689818959 |
| 17 | 122274820828415241343176467043 |