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 | 1 |
3 | 121 |
4 | 721 |
5 | 2521 |
6 | 120121 |
7 | 1262521 |
8 | 7514641 |
9 | 200655841 |
10 | 2804296441 |
11 | 23211542641 |
12 | 443673670441 |
13 | 7070369866561 |
14 | 73192033638361 |
15 | 1173608444069881 |
16 | 19482750854113681 |
17 | 235115468646608881 |
18 | 3483568444035458401 |
19 | 57574418930692099801 |
20 | 769737183831483390601 |
21 | 11118980118960559362001 |