n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 2 |
4 | 4 |
5 | 16 |
6 | 64 |
7 | 384 |
8 | 3072 |
9 | 36864 |
10 | 589824 |
11 | 5898240 |
12 | 188743680 |
13 | 2264924160 |
14 | 81537269760 |
15 | 5218385264640 |
16 | 333976656936960 |
17 | 5343626510991360 |
18 | 769482217582755840 |
19 | 13850679916489605120 |
20 | 3545774058621338910720 |
21 | 510591464441472803143680 |
22 | 51059146444147280314368000 |
[1,1,2,4,16,64,384,3072,36864,589824,5898240, 188743680,2264924160,81537269760,5218385264640, 333976656936960,5343626510991360, 769482217582755840,13850679916489605120, 3545774058621338910720,510591464441472803143680, 51059146444147280314368000] |