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 | 262144 |
| 1 | 5159780352 |
| 2 | 512000000000 |
| 3 | 10578455953408 |
| 4 | 101559956668416 |
| 5 | 618121839509504 |
| 6 | 2779905883635712 |
| 7 | 10077696000000000 |
| 8 | 31087100296429568 |
| 9 | 84590643846578176 |
| 10 | 208215748530929664 |
| 11 | 472161363286556672 |
| 12 | 1000000000000000000 |
| 13 | 1999004627104432128 |
| 14 | 3802961274698203136 |