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 | 55 |
3 | 349074740 |
4 | 7458911738724515315524082613205180 |
5 | 159232823342755035454279356693126603659457648808279391910878167820461916066223383414616137125812767424153893199341493609630 |