n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 10 |
4 | 43 |
5 | 231 |
6 | 1531 |
7 | 11068 |
8 | 89895 |
9 | 820543 |
10 | 8484871 |
11 | 95647476 |
12 | 1186289083 |
13 | 15648402355 |
14 | 221728356123 |
15 | 3354790995676 |
16 | 53999879550991 |
17 | 936289020367263 |
18 | 17163114699673615 |
19 | 328827078340587148 |
20 | 6630244432204704771 |
21 | 139769193881466850051 |
22 | 3092293682224076627683 |
[1,3,10,43,231,1531,11068,89895,820543,8484871, 95647476,1186289083,15648402355,221728356123, 3354790995676,53999879550991,936289020367263, 17163114699673615,328827078340587148, 6630244432204704771,139769193881466850051, 3092293682224076627683] |