n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | 1 |
5 | 2 |
6 | 3 |
7 | 8 |
8 | 30 |
9 | 132 |
10 | 1400 |
11 | 23595 |
12 | 1107260 |
13 | 198172975 |
14 | 156753667213 |
15 | 1316573850509365 |
16 | 186386043285609148267 |
17 | 1238266675343181339894414632 |
18 | 1472345944138437490816316070884292123 |
[1,1,1,1,2,3,8,30,132,1400,23595,1107260, 198172975,156753667213,1316573850509365, 186386043285609148267, 1238266675343181339894414632, 1472345944138437490816316070884292123] |