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 | 7 |
3 | 207 |
4 | 14226 |
5 | 1852800 |
6 | 409408077 |
7 | 142286748933 |
8 | 73448832515952 |
9 | 53835885818473473 |
10 | 54041298732304775000 |
11 | 72129250579997923194091 |
12 | 124900802377559946754633602 |
13 | 274851919918333747166200590840 |
14 | 755158633069275870471471631726803 |
15 | 2551279948230221759814139760682442500 |