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 | 1 |
2 | 2 |
3 | 12 |
4 | 112 |
5 | 1440 |
6 | 23616 |
7 | 471296 |
8 | 11085824 |
9 | 300349440 |
10 | 9211187200 |
11 | 315448860672 |
12 | 11932326789120 |
13 | 494098626904064 |
14 | 22230301612703744 |
15 | 1079857012109475840 |
16 | 56326462301645307904 |
17 | 3140024293968001892352 |
18 | 186308007164786201591808 |
19 | 11722541029509094870876160 |