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 | 3 |
2 | 13 |
3 | 61 |
4 | 251 |
5 | 4093 |
6 | 32749 |
7 | 65521 |
8 | 8388593 |
9 | 33554393 |
10 | 1073741789 |
11 | 137438953447 |
12 | 9007199254740881 |
13 | 36028797018963913 |
14 | 144115188075855859 |
15 | 147573952589676412909 |
16 | 37778931862957161709471 |
17 | 75557863725914323419121 |
18 | 2417851639229258349412301 |
19 | 4835703278458516698824647 |