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 | 3 |
2 | 30 |
3 | 510 |
4 | 12240 |
5 | 379440 |
6 | 14418720 |
7 | 648842400 |
8 | 33739804800 |
9 | 1990648483200 |
10 | 131382799891200 |
11 | 9590944392057600 |
12 | 767275551364608000 |
13 | 66752972968720896000 |
14 | 6274779459059764224000 |
15 | 633752725365036186624000 |
16 | 68445294339423908155392000 |
17 | 7871208849033749437870080000 |