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 | 5 |
2 | 2 |
3 | 20 |
4 | 104 |
5 | 560 |
6 | 3008 |
7 | 16160 |
8 | 86816 |
9 | 466400 |
10 | 2505632 |
11 | 13460960 |
12 | 72316064 |
13 | 388502240 |
14 | 2087143328 |
15 | 11212721120 |
16 | 60237892256 |
17 | 323614903520 |
18 | 1738550302112 |
19 | 9339981317600 |
20 | 50177007192224 |
21 | 269564998596320 |
22 | 1448179007366048 |
23 | 7780025034022880 |
24 | 41796483184846496 |