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) |
---|---|
1 | 1 |
2 | 0 |
3 | 325 |
4 | 63899 |
5 | 33542996 |
6 | 68719407048 |
7 | 562949953031061 |
8 | 18446744073707483871 |
9 | 2417851639229258338870480 |
10 | 1267650600228229401496650962840 |
11 | 2658455991569831745807614120307387245 |
12 | 22300745198530623141535718272648360299106443 |