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) |
---|---|
0 | 1 |
1 | 21 |
2 | 1591 |
3 | 5623795 |
4 | 60586207387643 |
5 | 11771746654268128293298294264 |
6 | 223879928814222731378358322195036233470100990978181612407 |
7 | 60370531495558553873551440308434816125184142701829318337696802178075590153432959525193229753905998692773283506988 |