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 | 4 |
2 | 17 |
3 | 75 |
4 | 342 |
5 | 1707 |
6 | 8814 |
7 | 45735 |
8 | 229317 |
9 | 1129024 |
10 | 5744720 |
11 | 30448145 |
12 | 163328140 |
13 | 866397895 |
14 | 4515528539 |
15 | 23325358076 |
16 | 121500213369 |
17 | 648072229596 |
18 | 3549923527103 |
19 | 19654222272276 |
20 | 107149613713782 |
21 | 565522043746019 |