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 | 4 |
3 | 188 |
4 | 30804 |
5 | 11211216 |
6 | 7623616080 |
7 | 8690922240480 |
8 | 15391623287043360 |
9 | 40018220546304026880 |
10 | 146226577876194816241920 |
11 | 725283826265926287362419200 |
12 | 4746982642910487550771226611200 |
13 | 40045545575592872978305843519334400 |