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 | 2 |
3 | 6 |
4 | 24 |
5 | 120 |
6 | 720 |
7 | 5040 |
8 | 40320 |
9 | 362880 |
10 | 3628800 |
11 | 39916799 |
12 | 479001478 |
13 | 6227012074 |
14 | 87177809092 |
15 | 1307651456625 |
16 | 20921799763626 |
17 | 355647213494682 |
18 | 6400805686152436 |
19 | 121585553747301448 |
20 | 2430677026538811240 |