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 | 2 |
3 | 6 |
4 | 48 |
5 | 240 |
6 | 8640 |
7 | 60480 |
8 | 3870720 |
9 | 104509440 |
10 | 10450944000 |
11 | 114960384000 |
12 | 198651543552000 |
13 | 2582470066176000 |
14 | 506164132970496000 |
15 | 113886929918361600000 |
16 | 116620216236402278400000 |
17 | 1982543676018838732800000 |
18 | 11562194718541867489689600000 |
19 | 219681699652295482304102400000 |