n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 1 |
4 | 1 |
5 | 1 |
6 | 1 |
7 | 1 |
8 | 1 |
9 | 1 |
10 | 2 |
11 | 22 |
12 | 242 |
13 | 2002 |
14 | 13442 |
15 | 77506 |
16 | 397826 |
17 | 1862146 |
18 | 8085506 |
19 | 32978946 |
20 | 127758774 |
21 | 482490294 |
22 | 2015041314 |
23 | 13111486674 |
24 | 144226353414 |
25 | 1835958708870 |
26 | 22030803357420 |
27 | 240151251989220 |
28 | 2389590181956120 |
29 | 21944411982069720 |
30 | 187919216043135720 |
[1,1,1,1,1,1,1,1,1,1,2,22,242,2002,13442,77506, 397826,1862146,8085506,32978946,127758774, 482490294,2015041314,13111486674,144226353414, 1835958708870,22030803357420,240151251989220, 2389590181956120,21944411982069720, 187919216043135720] |