n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 7 |
4 | 39 |
5 | 289 |
6 | 2514 |
7 | 24625 |
8 | 262768 |
9 | 2998410 |
10 | 36104634 |
11 | 454307830 |
12 | 5930683832 |
13 | 79871973688 |
14 | 1104858227039 |
15 | 15642564963293 |
16 | 226021630964469 |
17 | 3325082850102429 |
18 | 49705611691011214 |
19 | 753760884548732440 |
20 | 11578963116012317128 |
21 | 179963257865062829685 |
22 | 2826949471456067702388 |
23 | 44840817231090333901577 |
[1,1,2,7,39,289,2514,24625,262768,2998410, 36104634,454307830,5930683832,79871973688, 1104858227039,15642564963293,226021630964469, 3325082850102429,49705611691011214, 753760884548732440,11578963116012317128, 179963257865062829685,2826949471456067702388, 44840817231090333901577] |