n | a(n) |
---|---|
0 | 1 |
1 | 23 |
2 | 310 |
3 | 3195 |
4 | 27866 |
5 | 216566 |
6 | 1546028 |
7 | 10338515 |
8 | 65635570 |
9 | 399429602 |
10 | 2346750900 |
11 | 13384232030 |
12 | 74417751940 |
13 | 404759481420 |
14 | 2159510136408 |
15 | 11327603405955 |
16 | 58528412321250 |
17 | 298354368109930 |
18 | 1502525977613540 |
[1,23,310,3195,27866,216566,1546028,10338515, 65635570,399429602,2346750900,13384232030, 74417751940,404759481420,2159510136408, 11327603405955,58528412321250,298354368109930, 1502525977613540] |