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 | 1 |
| 2 | 3 |
| 3 | 37 |
| 4 | 398 |
| 5 | 4303 |
| 6 | 45765 |
| 7 | 480740 |
| 8 | 5005328 |
| 9 | 51770770 |
| 10 | 532790460 |
| 11 | 5461696481 |
| 12 | 55814395421 |
| 13 | 568944166801 |
| 14 | 5787517297675 |