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 | 2 |
| 2 | 42 |
| 3 | 505 |
| 4 | 5586 |
| 5 | 59308 |
| 6 | 616995 |
| 7 | 6347878 |
| 8 | 64875490 |
| 9 | 660104281 |
| 10 | 6695709182 |
| 11 | 67762820595 |
| 12 | 684596704482 |
| 13 | 6907026402474 |
| 14 | 69611115440126 |
| 15 | 700946070114283 |
| 16 | 7053023642205904 |