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) |
---|---|
1 | 5 |
2 | 61 |
3 | 305 |
4 | 1410 |
5 | 6417 |
6 | 29849 |
7 | 142023 |
8 | 677045 |
9 | 3244671 |
10 | 15605137 |
11 | 75182105 |
12 | 362888403 |
13 | 1753298751 |
14 | 8477268701 |
15 | 41008602681 |
16 | 198445489556 |
17 | 960526983294 |
18 | 4649943139886 |
19 | 22512991046486 |
20 | 109006244562077 |
21 | 527827316883602 |