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 | 53 |
4 | 884 |
5 | 20234 |
6 | 589834 |
7 | 20903700 |
8 | 872660256 |
9 | 41944510752 |
10 | 2281437791448 |
11 | 138539360885760 |
12 | 9290720296262976 |
13 | 681965664411820944 |
14 | 54384461861952738528 |
15 | 4682101594725064872768 |
16 | 432815761314471190599936 |
17 | 42757813607285233998385920 |
18 | 4495579313771176952867958528 |