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 | 0 |
| 2 | 1 |
| 3 | 8 |
| 4 | 2197 |
| 5 | 3048625 |
| 6 | 3869893 |
| 7 | 5168743489 |
| 8 | 8917390455553 |
| 9 | 9104453457841 |
| 10 | 11355729445333 |
| 11 | 15407207327425537 |
| 12 | 15757560619152625 |
| 13 | 19591506830849941 |
| 14 | 26623360029195546625 |
| 15 | 26669607878348076097 |
| 16 | 33849634498353904789 |