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 | 1 |
2 | 4 |
3 | 33 |
4 | 586 |
5 | 23299 |
6 | 2166800 |
7 | 490872957 |
8 | 280082001078 |
9 | 412989850899863 |
10 | 1604627387895595612 |
11 | 16673986511766782602033 |
12 | 468802076619022792385223170 |
13 | 35999655498002937223238590342603 |