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) |
---|---|
6 | 120 |
7 | 2520 |
8 | 31920 |
9 | 317520 |
10 | 2739240 |
11 | 21538440 |
12 | 158838240 |
13 | 1118557440 |
14 | 7612364760 |
15 | 50483192760 |
16 | 328191186960 |
17 | 2100689987760 |
18 | 13282470124680 |
19 | 83169792213480 |
20 | 516729467446080 |
21 | 3190281535536480 |
22 | 19596640721427000 |
23 | 119876382958008600 |