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 | 1000000 |
| 1 | 113379904 |
| 2 | 1544804416 |
| 3 | 9474296896 |
| 4 | 38068692544 |
| 5 | 117649000000 |
| 6 | 304006671424 |
| 7 | 689869781056 |
| 8 | 1418519112256 |
| 9 | 2699554153024 |
| 10 | 4826809000000 |
| 11 | 8198418170944 |
| 12 | 13339032325696 |
| 13 | 20924183895616 |