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 | 3 |
1 | 14 |
2 | 60 |
3 | 248 |
4 | 1008 |
5 | 4064 |
6 | 16320 |
7 | 65408 |
8 | 261888 |
9 | 1048064 |
10 | 4193280 |
11 | 16775168 |
12 | 67104768 |
13 | 268427264 |
14 | 1073725440 |
15 | 4294934528 |
16 | 17179803648 |
17 | 68719345664 |
18 | 274877644800 |
19 | 1099511103488 |
20 | 4398045462528 |
21 | 17592183947264 |
22 | 70368739983360 |