n | a(n) |
---|---|
0 | 1 |
1 | 7 |
2 | 39 |
3 | 193 |
4 | 886 |
5 | 3858 |
6 | 16146 |
7 | 65502 |
8 | 259119 |
9 | 1003833 |
10 | 3820689 |
11 | 14322663 |
12 | 52986636 |
13 | 193759452 |
14 | 701265924 |
15 | 2514778812 |
16 | 8943620589 |
17 | 31569189723 |
18 | 110673119691 |
19 | 385569479997 |
20 | 1335567565746 |
21 | 4601780568342 |
22 | 15778086835014 |
[1,7,39,193,886,3858,16146,65502,259119,1003833, 3820689,14322663,52986636,193759452,701265924, 2514778812,8943620589,31569189723,110673119691, 385569479997,1335567565746,4601780568342, 15778086835014] |