n | a(n) |
---|---|
1 | 0 |
2 | 11 |
3 | 43 |
4 | 164 |
5 | 760 |
6 | 3425 |
7 | 15569 |
8 | 70323 |
9 | 318438 |
10 | 1441136 |
11 | 6522237 |
12 | 29519913 |
13 | 133601253 |
14 | 604673484 |
15 | 2736676090 |
16 | 12385962613 |
17 | 56057588893 |
18 | 253711291691 |
19 | 1148272314748 |
20 | 5196968663084 |
21 | 23520972129705 |
22 | 106453623089577 |
[0,11,43,164,760,3425,15569,70323,318438,1441136, 6522237,29519913,133601253,604673484,2736676090, 12385962613,56057588893,253711291691, 1148272314748,5196968663084,23520972129705, 106453623089577] |