n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 6 |
3 | 58 |
4 | 798 |
5 | 14150 |
6 | 307076 |
7 | 7881756 |
8 | 233536532 |
9 | 7844786248 |
10 | 294582696686 |
11 | 12228351266210 |
12 | 556017625969246 |
13 | 27482790417322218 |
14 | 1467194712330407238 |
15 | 84134395928742550138 |
16 | 5157545958316518485420 |
17 | 336574587493456290969620 |
18 | 23296320082405927961459550 |
19 | 1704662916739625989249415610 |
20 | 131480805016085834305348796128 |
[1,1,6,58,798,14150,307076,7881756,233536532, 7844786248,294582696686,12228351266210, 556017625969246,27482790417322218, 1467194712330407238,84134395928742550138, 5157545958316518485420,336574587493456290969620, 23296320082405927961459550, 1704662916739625989249415610, 131480805016085834305348796128] |