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 | 6 |
2 | 54 |
3 | 378 |
4 | 2754 |
5 | 17982 |
6 | 121014 |
7 | 765450 |
8 | 4894506 |
9 | 30429918 |
10 | 189311094 |
11 | 1160312850 |
12 | 7113869226 |
13 | 43228473822 |
14 | 262556300286 |
15 | 1587419581410 |
16 | 9590551158474 |
17 | 57795130268694 |
18 | 348125978482686 |
19 | 2093918636332530 |
20 | 12590534397102930 |
21 | 75647788993941174 |