n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 8 |
3 | 36 |
4 | 170 |
5 | 865 |
6 | 4742 |
7 | 27757 |
8 | 172375 |
9 | 1130865 |
10 | 7809057 |
11 | 56572404 |
12 | 428710587 |
13 | 3389749264 |
14 | 27901667938 |
15 | 238599540142 |
16 | 2115876327408 |
17 | 19425465343555 |
18 | 184355895494512 |
19 | 1806122902809371 |
20 | 18242807108024625 |
21 | 189750478368293523 |
22 | 2030261803964224359 |
23 | 22323607721661782198 |
[1,2,8,36,170,865,4742,27757,172375,1130865, 7809057,56572404,428710587,3389749264,27901667938, 238599540142,2115876327408,19425465343555, 184355895494512,1806122902809371, 18242807108024625,189750478368293523, 2030261803964224359,22323607721661782198] |