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 | 645504 |
2 | 1607468544 |
3 | 5132640060000 |
4 | 15154743446853216 |
5 | 45929855692690790400 |
6 | 138493610465688295961184 |
7 | 418284029768568825937161600 |
8 | 1263090712888488868089057630816 |
9 | 3814456862436895259545489736740704 |