Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 20 |
3 | 189 |
4 | 2232 |
5 | 31130 |
6 | 497016 |
7 | 8907885 |
8 | 176829104 |
9 | 3849436062 |
10 | 91187523000 |
11 | 2335691914050 |
12 | 64344487654800 |
13 | 1897619527612692 |
14 | 59667237154623280 |
15 | 1993022006345620605 |
16 | 70488571028815935072 |
17 | 2631925423768158446390 |
18 | 103469607286411235941944 |
19 | 4272438866376100717458486 |
[1,3,20,189,2232,31130,497016,8907885,176829104, 3849436062,91187523000,2335691914050, 64344487654800,1897619527612692,59667237154623280, 1993022006345620605,70488571028815935072, 2631925423768158446390,103469607286411235941944, 4272438866376100717458486] |