n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 19 |
4 | 201 |
5 | 3081 |
6 | 62663 |
7 | 1598185 |
8 | 49158651 |
9 | 1772832643 |
10 | 73394322615 |
11 | 3431751900897 |
12 | 178904412061235 |
13 | 10290301519034057 |
14 | 647401635395456919 |
15 | 44227879174393279133 |
[1,1,3,19,201,3081,62663,1598185,49158651, 1772832643,73394322615,3431751900897, 178904412061235,10290301519034057, 647401635395456919,44227879174393279133] |