n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 4 |
3 | 37 |
4 | 586 |
5 | 13612 |
6 | 424621 |
7 | 16827976 |
8 | 815866699 |
9 | 47093387797 |
10 | 3170897237125 |
11 | 245127016240321 |
12 | 21482473673228266 |
13 | 2112385883734692910 |
14 | 231062843227493844112 |
15 | 27913223028923592662539 |
16 | 3701041353685453743060265 |
17 | 535729316331363978105167557 |
18 | 84263588534262286958390813305 |
[1,1,4,37,586,13612,424621,16827976,815866699, 47093387797,3170897237125,245127016240321, 21482473673228266,2112385883734692910, 231062843227493844112,27913223028923592662539, 3701041353685453743060265, 535729316331363978105167557, 84263588534262286958390813305] |