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 | 114 |
| 2 | 12996 |
| 3 | 641137 |
| 4 | 28240356 |
| 5 | 1418719059 |
| 6 | 73772281769 |
| 7 | 3772804871287 |
| 8 | 191430611504482 |
| 9 | 9730213136489790 |
| 10 | 495351189671153051 |
| 11 | 25215983801380475678 |
| 12 | 1283271380583388569167 |
| 13 | 65304983732786290676835 |