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 | 5 |
3 | 30 |
4 | 160 |
5 | 885 |
6 | 4810 |
7 | 26185 |
8 | 142005 |
9 | 769305 |
10 | 4159301 |
11 | 22455876 |
12 | 121057525 |
13 | 651737675 |
14 | 3504241650 |
15 | 18818709130 |
16 | 100945053055 |
17 | 540885242825 |
18 | 2895159035375 |
19 | 15481318817450 |
20 | 82704855762375 |
21 | 441427664993275 |
22 | 2354020475714775 |
23 | 12542918682786300 |
24 | 66778882780674975 |