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 | 1 |
3 | 3 |
4 | 14 |
5 | 70 |
6 | 364 |
7 | 2548 |
8 | 21104 |
9 | 189936 |
10 | 1830968 |
11 | 20140648 |
12 | 241712272 |
13 | 3142259536 |
14 | 43472528384 |
15 | 652087925760 |
16 | 10396900456448 |
17 | 176747307759616 |
18 | 3162885135453952 |
19 | 60094817573625088 |
20 | 1198006583353972736 |
21 | 25158138250433427456 |
22 | 551506339507727783936 |