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 | 3 |
3 | 19 |
4 | 459 |
5 | 55099 |
6 | 39671739 |
7 | 199945619659 |
8 | 8061807424322619 |
9 | 2925468678338137602379 |
10 | 10615940739961495538937237819 |
11 | 423754383328897950597328272711061579 |
12 | 202979027621555455188781938315330372976764219 |