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 | 0 |
2 | 2 |
3 | 6 |
4 | 58 |
5 | 580 |
6 | 7568 |
7 | 119448 |
8 | 2195772 |
9 | 46413792 |
10 | 1106667072 |
11 | 29403619080 |
12 | 861570383232 |
13 | 27600893313552 |
14 | 959793100481616 |
15 | 36006430081497120 |
16 | 1449539553826089360 |
17 | 62334045415459189248 |
18 | 2851721291051846833152 |
19 | 138299011223141244621024 |