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 | 2 |
3 | 10 |
4 | 130 |
5 | 4420 |
6 | 393380 |
7 | 91657540 |
8 | 55911099400 |
9 | 89290025741800 |
10 | 373321597626465800 |
11 | 4086378207619294646800 |
12 | 117103340295746126693347600 |
13 | 8785678105688353155168403690000 |
14 | 1725665322163094950031867515982420000 |
15 | 887387152950606153059937200876123854180000 |