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 | 64 |
| 2 | 236 |
| 3 | 4634 |
| 4 | 46140 |
| 5 | 639228 |
| 6 | 7687526 |
| 7 | 100029148 |
| 8 | 1260284690 |
| 9 | 16119079970 |
| 10 | 204833380744 |
| 11 | 2611281890222 |
| 12 | 33242567872546 |
| 13 | 423477139656892 |
| 14 | 5393125440584082 |
| 15 | 68692255949507890 |
| 16 | 874885927192766714 |