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 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 4 |
5 | 10 |
6 | 20 |
7 | 35 |
8 | 6776 |
9 | 60564 |
10 | 352920 |
11 | 1663365 |
12 | 126625180 |
13 | 2361079006 |
14 | 27334747804 |
15 | 245495250455 |
16 | 11174333090480 |
17 | 328952158255400 |
18 | 6245314009946736 |
19 | 90576650639967369 |
20 | 3209305759254634740 |
21 | 122557203047084965810 |
22 | 3365068665450300234580 |