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 | 0 |
1 | 1 |
2 | 5 |
3 | 41 |
4 | 1805 |
5 | 3263441 |
6 | 10650056950805 |
7 | 113423713055421844361000441 |
8 | 12864938683278671740537145998360961546653259485195805 |
9 | 165506647324519964198468195444439180017513152706377497841851388766535868639572406808911988131737645185441 |