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 | 6 |
2 | 28 |
3 | 120 |
4 | 496 |
5 | 2016 |
6 | 8128 |
7 | 32640 |
8 | 130816 |
9 | 523776 |
10 | 2096128 |
11 | 8386560 |
12 | 33550336 |
13 | 134209536 |
14 | 536854528 |
15 | 2147450880 |
16 | 8589869056 |
17 | 34359607296 |
18 | 137438691328 |
19 | 549755289600 |
20 | 2199022206976 |
21 | 8796090925056 |
22 | 35184367894528 |