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 | 531 |
2 | 281960 |
3 | 149720229 |
4 | 79501159639 |
5 | 42214966048080 |
6 | 22416067470370841 |
7 | 11902889611800868491 |
8 | 6320411967798790797880 |
9 | 3356126852011546112805789 |
10 | 1782097038006163187109076079 |
11 | 946290171054420640808806592160 |