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 | 2 |
2 | 10 |
3 | 120 |
4 | 3876 |
5 | 376992 |
6 | 119877472 |
7 | 131254487936 |
8 | 509850594887712 |
9 | 7145544812472168960 |
10 | 364974894538906616240640 |
11 | 68409601066028072105113098240 |
12 | 47312269462735023248040155132636160 |
13 | 121317088003402776955124829814219234385920 |