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 | 6 |
2 | 38 |
3 | 340 |
4 | 3482 |
5 | 38740 |
6 | 457500 |
7 | 5654440 |
8 | 72412410 |
9 | 953696900 |
10 | 12844323828 |
11 | 176130113432 |
12 | 2450987760676 |
13 | 34524885571400 |
14 | 491309242342264 |
15 | 7052495781361488 |
16 | 101992452504973882 |
17 | 1484590294804096356 |
18 | 21732695236734410500 |
19 | 319745609409940857144 |