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) |
---|---|
1 | 1 |
2 | 1 |
3 | 4 |
4 | 14 |
5 | 52 |
6 | 208 |
7 | 908 |
8 | 4304 |
9 | 22016 |
10 | 120796 |
11 | 706896 |
12 | 4389752 |
13 | 28800668 |
14 | 198884648 |
15 | 1440809932 |
16 | 10918549748 |
17 | 86331306980 |
18 | 710609746752 |
19 | 6076740094448 |
20 | 53887906573064 |
21 | 494734785732236 |
22 | 4695242718593096 |
23 | 45998992617959932 |
24 | 464614423225361404 |
25 | 4832633949407618644 |