n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 16 |
3 | 138 |
4 | 1624 |
5 | 24084 |
6 | 430264 |
7 | 8987376 |
8 | 214836496 |
9 | 5782610640 |
10 | 173048646208 |
11 | 5699040103584 |
12 | 204819346436608 |
13 | 7976556430820544 |
14 | 334605731401589632 |
15 | 15041304800209892352 |
16 | 721313418947271653632 |
17 | 36756901756710434550528 |
[1,3,16,138,1624,24084,430264,8987376,214836496, 5782610640,173048646208,5699040103584, 204819346436608,7976556430820544, 334605731401589632,15041304800209892352, 721313418947271653632,36756901756710434550528] |