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 | 12 |
3 | 60 |
4 | 336 |
5 | 1968 |
6 | 11712 |
7 | 70080 |
8 | 420096 |
9 | 2519808 |
10 | 15117312 |
11 | 90700800 |
12 | 544198656 |
13 | 3265179648 |
14 | 19591053312 |
15 | 117546270720 |
16 | 705277526016 |
17 | 4231664959488 |
18 | 25389989363712 |
19 | 152339935395840 |
20 | 914039610802176 |