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 | 17940 |
| 2 | 159504 |
| 3 | 1180140 |
| 4 | 2607408 |
| 5 | 3478008 |
| 6 | 58039388 |
| 7 | 111975864 |
| 8 | 169084882 |
| 9 | 382009288 |
| 10 | 942525448 |
| 11 | 2014102784 |
| 12 | 4978124388 |
| 13 | 7360873684 |