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 | 24 |
| 2 | 576 |
| 3 | 11332 |
| 4 | 233756 |
| 5 | 4805140 |
| 6 | 98892196 |
| 7 | 2035428944 |
| 8 | 41894114820 |
| 9 | 862288002496 |
| 10 | 17748103310980 |
| 11 | 365301608074080 |
| 12 | 7518846739068100 |
| 13 | 154757206783943744 |
| 14 | 3185301402740998148 |
| 15 | 65561696535791184736 |