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 | 9 |
2 | 153 |
3 | 2673 |
4 | 46737 |
5 | 817209 |
6 | 14289129 |
7 | 249849441 |
8 | 4368687777 |
9 | 76387735017 |
10 | 1335661040313 |
11 | 23354409110481 |
12 | 408358414625841 |
13 | 7140261781270809 |
14 | 124849486331241993 |