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 | 4 |
3 | 60 |
4 | 2480 |
5 | 242296 |
6 | 53763904 |
7 | 28363717952 |
8 | 41396018951936 |
9 | 215328934357721024 |
10 | 4740698193856769942528 |
11 | 430771050114778618253200384 |
12 | 151994706469390446336698323709952 |