n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 5 |
4 | 31 |
5 | 246 |
6 | 2353 |
7 | 26585 |
8 | 345775 |
9 | 5094220 |
10 | 83833256 |
11 | 1524414737 |
12 | 30353430420 |
13 | 656851828075 |
14 | 15350023574061 |
15 | 385261255931365 |
16 | 10335781852020335 |
17 | 295166535640444376 |
18 | 8939894824857438940 |
19 | 286234265613041061128 |
20 | 9659753724363828753408 |
[1,1,1,5,31,246,2353,26585,345775,5094220, 83833256,1524414737,30353430420,656851828075, 15350023574061,385261255931365,10335781852020335, 295166535640444376,8939894824857438940, 286234265613041061128,9659753724363828753408] |