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) |
|---|---|
| 0 | 1024 |
| 1 | 1048576 |
| 2 | 17210368 |
| 3 | 102400000 |
| 4 | 380204032 |
| 5 | 1073741824 |
| 6 | 2535525376 |
| 7 | 5277319168 |
| 8 | 10000000000 |
| 9 | 17623416832 |
| 10 | 29316250624 |
| 11 | 46525874176 |
| 12 | 71008211968 |
| 13 | 104857600000 |
| 14 | 150536645632 |
| 15 | 210906087424 |
| 16 | 289254654976 |
| 17 | 389328928768 |
| 18 | 515363200000 |
| 19 | 672109330432 |
| 20 | 864866612224 |