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) |
---|---|
0 | 1 |
1 | 5 |
2 | 43 |
3 | 177 |
4 | 2867 |
5 | 11531 |
6 | 92479 |
7 | 370345 |
8 | 11857475 |
9 | 47442055 |
10 | 379582629 |
11 | 1518418695 |
12 | 24295375159 |
13 | 97182800711 |
14 | 777467420263 |
15 | 3109879375897 |
16 | 199032580597603 |
17 | 796130905791967 |
18 | 6369049515119561 |
19 | 25476202478636219 |
20 | 407619274119811709 |
21 | 1630477163761481141 |