n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 5 |
3 | 37 |
4 | 489 |
5 | 8801 |
6 | 204763 |
7 | 5832765 |
8 | 197018321 |
9 | 7702189345 |
10 | 342237634221 |
11 | 17039997700639 |
12 | 939906923598525 |
13 | 56899727331724863 |
14 | 3751071253402671045 |
15 | 267515957818316650221 |
16 | 20522595752454270972321 |
17 | 1685273102403664075044305 |
18 | 147501996974331775160471677 |
[1,1,5,37,489,8801,204763,5832765,197018321, 7702189345,342237634221,17039997700639, 939906923598525,56899727331724863, 3751071253402671045,267515957818316650221, 20522595752454270972321,1685273102403664075044305, 147501996974331775160471677] |