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 | 3 |
3 | 10 |
4 | 38 |
5 | 153 |
6 | 646 |
7 | 2816 |
8 | 12585 |
9 | 57343 |
10 | 265401 |
11 | 1244256 |
12 | 5896512 |
13 | 28200365 |
14 | 135935424 |
15 | 659754072 |
16 | 3221354296 |
17 | 15812501100 |
18 | 77985955410 |
19 | 386254209762 |
20 | 1920391362054 |
21 | 9580985321554 |
22 | 47951223856445 |
23 | 240680464689600 |