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) |
|---|---|
| 1 | 16 |
| 2 | 256 |
| 3 | 3600 |
| 4 | 49284 |
| 5 | 646416 |
| 6 | 8248384 |
| 7 | 102657424 |
| 8 | 1251956689 |
| 9 | 15001350400 |
| 10 | 177032245504 |
| 11 | 2061337861696 |
| 12 | 23718185697424 |
| 13 | 270017722670656 |
| 14 | 3044657592269056 |
| 15 | 34033540434657856 |
| 16 | 377424464034508969 |