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 | 1 |
2 | 4 |
3 | 54 |
4 | 1536 |
5 | 75000 |
6 | 5598720 |
7 | 592950960 |
8 | 84557168640 |
9 | 15620794116480 |
10 | 3628800000000000 |
11 | 1035338990313196800 |
12 | 355902198372945100800 |
13 | 145077660657859734604800 |
14 | 69194697632491737238732800 |
15 | 38174841090323437500000000000 |
16 | 24122334398245883325016178688000 |