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 | 4 |
2 | 40 |
3 | 520 |
4 | 7680 |
5 | 122360 |
6 | 2050048 |
7 | 35600400 |
8 | 635043840 |
9 | 11566760920 |
10 | 214221455360 |
11 | 4021962900592 |
12 | 76374500966400 |
13 | 1464312851075760 |
14 | 28307243610931200 |
15 | 551140224522544160 |
16 | 10797908842864705536 |
17 | 212721273248318069400 |
18 | 4211238736846158561280 |