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 | 4 |
3 | 25 |
4 | 181 |
5 | 1399 |
6 | 11212 |
7 | 91936 |
8 | 765805 |
9 | 6452449 |
10 | 54841438 |
11 | 469306102 |
12 | 4038193870 |
13 | 34903997029 |
14 | 302828905471 |
15 | 2635745917759 |
16 | 23003622046900 |
17 | 201241080558652 |
18 | 1764149626139119 |
19 | 15493365042402772 |
20 | 136288275628625410 |
21 | 1200600389345625754 |