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 | 42 |
| 2 | 84 |
| 3 | 160 |
| 4 | 336 |
| 5 | 1344 |
| 6 | 86016 |
| 7 | 550095 |
| 8 | 1376256 |
| 9 | 5505024 |
| 10 | 22548578304 |