n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 1 |
3 | 3 |
4 | 22 |
5 | 225 |
6 | 3421 |
7 | 73668 |
8 | 2222977 |
9 | 93033615 |
10 | 5393456986 |
11 | 433396737873 |
12 | 48429436851577 |
13 | 7548123580987080 |
14 | 1646092439020192801 |
15 | 503469306031901522043 |
16 | 216430661498688457821022 |
17 | 130959358877474026010486145 |
18 | 111687660283090149155082836341 |
[1,0,1,3,22,225,3421,73668,2222977,93033615, 5393456986,433396737873,48429436851577, 7548123580987080,1646092439020192801, 503469306031901522043,216430661498688457821022, 130959358877474026010486145, 111687660283090149155082836341] |