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 | 71 |
2 | 262151 |
3 | 1073741831 |
4 | 549755813881 |
5 | 302231454903657293676551 |
6 | 85070591730234615865843651857942052871 |
7 | 23945242826029513411849172299223580994042798784118791 |
8 | 25711008708143844408671393477458601640355247900524685364822023 |