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 | 14 |
| 2 | 49 |
| 3 | 1372 |
| 4 | 2401 |
| 5 | 33614 |
| 6 | 117649 |
| 7 | 6588344 |
| 8 | 5764801 |
| 9 | 80707214 |
| 10 | 282475249 |
| 11 | 7909306972 |
| 12 | 13841287201 |
| 13 | 193778020814 |
| 14 | 678223072849 |
| 15 | 75960984159088 |
| 16 | 33232930569601 |
| 17 | 465261027974414 |
| 18 | 1628413597910449 |
| 19 | 45595580741492572 |