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) |
---|---|
10 | 3628800 |
11 | 199584000 |
12 | 6187104000 |
13 | 142702560000 |
14 | 2731586457600 |
15 | 45950224320000 |
16 | 703098107712000 |
17 | 10009442963520000 |
18 | 134672620008326400 |
19 | 1732015476199008000 |
20 | 21473732319740064000 |
21 | 258323865658578720000 |