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) |
---|---|
0 | 1 |
1 | 0 |
2 | 0 |
3 | 20 |
4 | 35 |
5 | 448 |
6 | 3024 |
7 | 27480 |
8 | 268125 |
9 | 2905760 |
10 | 34402368 |
11 | 442140972 |
12 | 6128803135 |
13 | 91137168640 |
14 | 1447072631840 |
15 | 24433531297776 |
16 | 437138635330137 |
17 | 8260372499542080 |
18 | 164393521482487360 |
19 | 3436814164696775940 |