n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 12 |
3 | 100 |
4 | 1050 |
5 | 13104 |
6 | 187572 |
7 | 3009864 |
8 | 53281800 |
9 | 1028167140 |
10 | 21427077100 |
11 | 478684992240 |
12 | 11394223609132 |
13 | 287518731462200 |
14 | 7658231740945200 |
15 | 214521099763208400 |
16 | 6299407928974197330 |
17 | 193373975594104580880 |
18 | 6189939300884798312700 |
19 | 206159811915133359036600 |
[1,2,12,100,1050,13104,187572,3009864,53281800, 1028167140,21427077100,478684992240, 11394223609132,287518731462200,7658231740945200, 214521099763208400,6299407928974197330, 193373975594104580880,6189939300884798312700, 206159811915133359036600] |