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 | 1 |
2 | 2 |
3 | 6 |
4 | 12 |
5 | 60 |
6 | 120 |
7 | 280 |
8 | 168 |
9 | 210 |
10 | 1680 |
11 | 2640 |
12 | 332640 |
13 | 4324320 |
14 | 8648640 |
15 | 43243200 |
16 | 900900 |
17 | 735134400 |
18 | 3150576 |
19 | 2618916300 |
20 | 83805321600 |
21 | 586637251200 |
22 | 586637251200 |
23 | 749592043200 |
24 | 2248776129600 |
25 | 642507465600 |
26 | 13492656777600 |
27 | 41644002400 |
28 | 53970627110400 |