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 | 2 |
2 | 6 |
3 | 26 |
4 | 122 |
5 | 602 |
6 | 3062 |
7 | 15906 |
8 | 83906 |
9 | 447842 |
10 | 2412566 |
11 | 13094490 |
12 | 71513210 |
13 | 392592410 |
14 | 2164815590 |
15 | 11982792386 |
16 | 66548673282 |
17 | 370672213826 |
18 | 2069974290726 |
19 | 11586244722202 |
20 | 64986102400122 |
21 | 365183031749722 |
22 | 2055594717395926 |
23 | 11588727763937506 |
24 | 65425688924696002 |