n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 20 |
3 | 543 |
4 | 22096 |
5 | 1304045 |
6 | 106478916 |
7 | 11545342795 |
8 | 1608000044288 |
9 | 280061940550041 |
10 | 59677171216017940 |
11 | 15278632095285640631 |
12 | 4628964787172536267920 |
13 | 1638318264614752659427333 |
14 | 669895681115518466689138436 |
15 | 313418973409285344224352078435 |
[0,1,20,543,22096,1304045,106478916,11545342795, 1608000044288,280061940550041,59677171216017940, 15278632095285640631,4628964787172536267920, 1638318264614752659427333, 669895681115518466689138436, 313418973409285344224352078435] |