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 | 1 |
2 | 4 |
3 | 16 |
4 | 68 |
5 | 311 |
6 | 1530 |
7 | 8065 |
8 | 45344 |
9 | 270724 |
10 | 1709526 |
11 | 11376135 |
12 | 79520644 |
13 | 582207393 |
14 | 4453142140 |
15 | 35500884556 |
16 | 294365897104 |
17 | 2533900264547 |
18 | 22604669612078 |
19 | 208656457858161 |
20 | 1990060882027600 |