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 | 40 |
| 3 | 463 |
| 4 | 5081 |
| 5 | 53722 |
| 6 | 557687 |
| 7 | 5730883 |
| 8 | 58527612 |
| 9 | 595228791 |
| 10 | 6035604901 |
| 11 | 61067111413 |
| 12 | 616833883887 |
| 13 | 6222429697992 |
| 14 | 62704089037652 |
| 15 | 631334954674157 |
| 16 | 6352077572091621 |