n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 3 |
3 | 9 |
4 | 39 |
5 | 201 |
6 | 1227 |
7 | 8305 |
8 | 61383 |
9 | 487761 |
10 | 4131819 |
11 | 37072361 |
12 | 350644047 |
13 | 3482957945 |
14 | 36220558835 |
15 | 393329507169 |
16 | 4450157382383 |
17 | 52354044069009 |
18 | 639307054297779 |
19 | 8090092395577625 |
20 | 105935581968131399 |
21 | 1433456549698679385 |
22 | 20018656224312123051 |
[0,1,3,9,39,201,1227,8305,61383,487761,4131819, 37072361,350644047,3482957945,36220558835, 393329507169,4450157382383,52354044069009, 639307054297779,8090092395577625, 105935581968131399,1433456549698679385, 20018656224312123051] |