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 | 1000 |
| 5 | 54872 |
| 6 | 551368 |
| 7 | 753571 |
| 8 | 389017000 |
| 9 | 282558696328 |
| 10 | 293151929707 |
| 11 | 205901592625000 |
| 12 | 150095482587202888 |
| 13 | 150714005985636211 |
| 14 | 109419057761904073000 |
| 15 | 79766448635933205559048 |
| 16 | 79802927193348078816187 |