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 | 201 |
2 | 80801 |
3 | 32481801 |
4 | 13057603201 |
5 | 5249124005001 |
6 | 2110134792407201 |
7 | 848268937423689801 |
8 | 341002002709530892801 |
9 | 137081956820293995216201 |
10 | 55106605639755476546020001 |
11 | 22152718385224881277504824201 |