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 | 140 |
| 2 | 4908 |
| 3 | 202264 |
| 4 | 7918948 |
| 5 | 329268616 |
| 6 | 12912752876 |
| 7 | 537001573656 |
| 8 | 21060038730884 |
| 9 | 875825392204488 |
| 10 | 34348003384801484 |
| 11 | 1428433095896220376 |
| 12 | 56020099749013006372 |
| 13 | 2329712263359378360328 |
| 14 | 91366346681513601154476 |