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 | 506 |
2 | 141331872 |
3 | 20920469730667584 |
4 | 1638296742744745305180456960 |
5 | 67868907839960050279986415163868117749760 |
6 | 1487321615877089920298398794877451264100990832314711736320 |