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 | 7 |
2 | 35 |
3 | 161 |
4 | 721 |
5 | 3199 |
6 | 14147 |
7 | 62489 |
8 | 275905 |
9 | 1218007 |
10 | 5376707 |
11 | 23734193 |
12 | 104768209 |
13 | 462469903 |
14 | 2041441955 |
15 | 9011362409 |
16 | 39778080769 |
17 | 175588947751 |
18 | 775087121123 |
19 | 3421400092481 |
20 | 15102790707025 |
21 | 66666943594783 |