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 | 1 |
2 | 1 |
3 | 13 |
4 | 217 |
5 | 12938197 |
6 | 913083596083 |
7 | 3836387399699939518675459471 |
8 | 18744974860247264575032720770000376335095039 |
9 | 25741458812593689971179132474269180614331431944325835714919500509967358371226305360396760987 |