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 | 16777215 |
2 | 435356467 |
3 | 1073741823 |
4 | 68719476735 |
5 | 1099511627775 |
6 | 4398046511103 |
7 | 35184372088831 |
8 | 281474976710655 |
9 | 14901161193847656 |
10 | 18014398509481983 |