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 | 1 |
| 1 | 54 |
| 2 | 2025 |
| 3 | 65610 |
| 4 | 1974861 |
| 5 | 57041334 |
| 6 | 1607609025 |
| 7 | 44625100770 |
| 8 | 1226874595221 |
| 9 | 33521945231214 |
| 10 | 912229968911625 |
| 11 | 24758714599712730 |
| 12 | 670798674525559581 |
| 13 | 18153207600055622694 |
| 14 | 490886209059873519825 |