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 | 4 |
2 | 25 |
3 | 119 |
4 | 599 |
5 | 2887 |
6 | 14039 |
7 | 67767 |
8 | 327607 |
9 | 1581751 |
10 | 7638967 |
11 | 36883895 |
12 | 178097591 |
13 | 859930039 |
14 | 4152135095 |
15 | 20048276919 |
16 | 96801746359 |
17 | 467400158647 |
18 | 2256808013239 |
19 | 10896832949687 |
20 | 52614565424567 |
21 | 254045594545591 |