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 | 3 |
1 | 315 |
2 | 9 |
3 | 46200 |
4 | 280 |
5 | 280 |
6 | 7882875 |
7 | 17325 |
8 | 3675 |
9 | 17325 |
10 | 1466593128 |
11 | 1513512 |
12 | 116424 |
13 | 116424 |
14 | 1513512 |
15 | 288592936632 |
16 | 162954792 |
17 | 5885880 |
18 | 2134440 |
19 | 5885880 |
20 | 162954792 |
21 | 59064793444800 |
22 | 20193091776 |
23 | 399072960 |
24 | 67953600 |
25 | 67953600 |
26 | 399072960 |
27 | 20193091776 |
28 | 12445136556298875 |