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 | 7 |
1 | 30 |
2 | 124 |
3 | 504 |
4 | 2032 |
5 | 8160 |
6 | 32704 |
7 | 130944 |
8 | 524032 |
9 | 2096640 |
10 | 8387584 |
11 | 33552384 |
12 | 134213632 |
13 | 536862720 |
14 | 2147467264 |
15 | 8589901824 |
16 | 34359672832 |
17 | 137438822400 |
18 | 549755551744 |
19 | 2199022731264 |
20 | 8796091973632 |
21 | 35184369991680 |