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 | 0 |
| 1 | 1 |
| 2 | 36 |
| 3 | 1369 |
| 4 | 51984 |
| 5 | 1974025 |
| 6 | 74960964 |
| 7 | 2846542609 |
| 8 | 108093658176 |
| 9 | 4104712468081 |
| 10 | 155870980128900 |
| 11 | 5918992532430121 |
| 12 | 224765845252215696 |
| 13 | 8535183127051766329 |
| 14 | 324112192982714904804 |
| 15 | 12307728150216114616225 |