n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 7 |
4 | 36 |
5 | 250 |
6 | 2229 |
7 | 24656 |
8 | 329883 |
9 | 5233837 |
10 | 96907908 |
11 | 2066551242 |
12 | 50196458429 |
13 | 1375782397859 |
14 | 42203985613593 |
15 | 1438854199059479 |
16 | 54180508061067099 |
17 | 2241000820010271224 |
18 | 101316373253530824771 |
19 | 4984697039955303538934 |
20 | 265819807417517749652933 |
[1,1,2,7,36,250,2229,24656,329883,5233837, 96907908,2066551242,50196458429,1375782397859, 42203985613593,1438854199059479,54180508061067099, 2241000820010271224,101316373253530824771, 4984697039955303538934,265819807417517749652933] |