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 | 15 |
2 | 63 |
3 | 1023 |
4 | 16383 |
5 | 4194303 |
6 | 67108863 |
7 | 17179869183 |
8 | 274877906943 |
9 | 70368744177663 |
10 | 288230376151711743 |
11 | 4611686018427387903 |
12 | 18889465931478580854783 |
13 | 4835703278458516698824703 |
14 | 77371252455336267181195263 |
15 | 19807040628566084398385987583 |