n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 3 |
3 | 20 |
4 | 189 |
5 | 2348 |
6 | 36165 |
7 | 665058 |
8 | 14219373 |
9 | 346585416 |
10 | 9485780589 |
11 | 288039271830 |
12 | 9609639556869 |
13 | 349403495309244 |
14 | 13751661631299813 |
15 | 582461437448921562 |
16 | 26417039609670967485 |
17 | 1277337284263389184272 |
[0,1,3,20,189,2348,36165,665058,14219373, 346585416,9485780589,288039271830,9609639556869, 349403495309244,13751661631299813, 582461437448921562,26417039609670967485, 1277337284263389184272] |