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 | 8 |
| 2 | 42 |
| 3 | 415 |
| 4 | 5130 |
| 5 | 68458 |
| 6 | 966889 |
| 7 | 13941789 |
| 8 | 204883324 |
| 9 | 3047634270 |
| 10 | 45762072338 |
| 11 | 692220227870 |
| 12 | 10532157295267 |
| 13 | 161005503857341 |
| 14 | 2470999756894057 |
| 15 | 38049394554096755 |
| 16 | 587563040419449964 |
| 17 | 9095438545580032870 |