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) |
---|---|
11 | 1 |
12 | 265720 |
13 | 52955405230 |
14 | 9741692640081640 |
15 | 1747282899667791058573 |
16 | 310804949350361548416923680 |
17 | 55133793282290501540016988429720 |
18 | 9771253933538933149312961201158497760 |
19 | 1731212183148357775944585240618840930624286 |