n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 14 |
3 | 132 |
4 | 1676 |
5 | 26590 |
6 | 506202 |
7 | 11242952 |
8 | 285383240 |
9 | 8149464954 |
10 | 258575410190 |
11 | 9024809281972 |
12 | 343619185754748 |
13 | 14173557899208422 |
14 | 629600469603730562 |
15 | 29965010056866657600 |
16 | 1521221783964264806672 |
17 | 82053967063309770102130 |
18 | 4686301361507067542636694 |
[1,2,14,132,1676,26590,506202,11242952,285383240, 8149464954,258575410190,9024809281972, 343619185754748,14173557899208422, 629600469603730562,29965010056866657600, 1521221783964264806672,82053967063309770102130, 4686301361507067542636694] |