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 | 7 |
3 | 86 |
4 | 1524 |
5 | 35370 |
6 | 1015590 |
7 | 34757400 |
8 | 1381147440 |
9 | 62498177880 |
10 | 3172764322680 |
11 | 178566159846480 |
12 | 11034757650750960 |
13 | 742773843654742080 |
14 | 54094804600076176320 |
15 | 4238009228531321452800 |
16 | 355400361455423327193600 |
17 | 31764402860426288679456000 |
18 | 3014207878695233997923193600 |