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 | 15 |
2 | 490 |
3 | 21637 |
4 | 1121505 |
5 | 3913864295 |
6 | 1131238503938606 |
7 | 78801255302666615 |
8 | 5589233202595404488 |
9 | 29349508915133986374841 |
10 | 2163909235608484556362424 |
11 | 913865816485680423486405066750 |
12 | 191623400974625892978847721669762887224010 |