n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 6 |
3 | 56 |
4 | 1810 |
5 | 206252 |
6 | 86874564 |
7 | 132282417920 |
8 | 770670360699138 |
9 | 16425660314368351892 |
10 | 1367610300690018553312276 |
11 | 419460465362069257397304825200 |
12 | 509571049488109525160616367158261124 |
13 | 2290638298071684282149128235413262383804352 |
[1,2,6,56,1810,206252,86874564,132282417920, 770670360699138,16425660314368351892, 1367610300690018553312276, 419460465362069257397304825200, 509571049488109525160616367158261124, 2290638298071684282149128235413262383804352] |