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 | 9 |
3 | 265 |
4 | 15281 |
5 | 1379441 |
6 | 173762425 |
7 | 28528990393 |
8 | 5838405067745 |
9 | 1443332192692321 |
10 | 421171717332106601 |
11 | 142520112730201819625 |
12 | 55149333235223148407953 |
13 | 24128837930726025305020369 |