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 | 1 |
2 | 5 |
3 | 36 |
4 | 304 |
5 | 2808 |
6 | 27475 |
7 | 279845 |
8 | 2935987 |
9 | 31511097 |
10 | 344344868 |
11 | 3818320487 |
12 | 42855633210 |
13 | 485923475563 |
14 | 5557803724920 |
15 | 64046876264292 |
16 | 742908320701832 |
17 | 8667090253409215 |
18 | 101631581618367133 |
19 | 1197190915359577973 |
20 | 14160413911721178800 |