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 | 25 |
4 | 110 |
5 | 520 |
6 | 2566 |
7 | 13073 |
8 | 68244 |
9 | 363129 |
10 | 1962304 |
11 | 10739914 |
12 | 59411546 |
13 | 331652408 |
14 | 1865903040 |
15 | 10569319231 |
16 | 60227702736 |
17 | 345015430415 |
18 | 1985747398748 |
19 | 11477353063881 |
20 | 66590427901454 |
21 | 387685469752989 |
22 | 2264180109124196 |
23 | 13261401158297918 |