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 | 5 |
2 | 60 |
3 | 840 |
4 | 13200 |
5 | 222060 |
6 | 3914880 |
7 | 71382000 |
8 | 1335069060 |
9 | 25471344000 |
10 | 493782003960 |
11 | 9698680513380 |
12 | 192596799930360 |
13 | 3860313616039080 |
14 | 77994531433117500 |
15 | 1586781765309289080 |
16 | 32479537197876474480 |
17 | 668397905439059302860 |
18 | 13820909295920888641200 |
19 | 287010766542642877455600 |