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) |
---|---|
10 | 18 |
11 | 38 |
12 | 80 |
13 | 168 |
14 | 352 |
15 | 736 |
16 | 1536 |
17 | 3200 |
18 | 6656 |
19 | 13824 |
20 | 28672 |
21 | 59392 |
22 | 122880 |
23 | 253952 |
24 | 524288 |
25 | 1081344 |
26 | 2228224 |
27 | 4587520 |
28 | 9437184 |
29 | 19398656 |
30 | 39845888 |
31 | 81788928 |
32 | 167772160 |
33 | 343932928 |
34 | 704643072 |
35 | 1442840576 |
36 | 2952790016 |
37 | 6039797760 |
38 | 12348030976 |
39 | 25232932864 |