n | a(n) |
---|---|
6 | 20 |
7 | 154 |
8 | 1676 |
9 | 14292 |
10 | 155690 |
11 | 1731708 |
12 | 21264624 |
13 | 280260864 |
14 | 3970116255 |
15 | 60113625680 |
16 | 969368687752 |
17 | 16588175089420 |
18 | 300272980075896 |
19 | 5733025551810600 |
20 | 115148956467702600 |
21 | 2427199940533198992 |
22 | 53576182138937428377 |
23 | 1235917889588345408586 |
[20,154,1676,14292,155690,1731708,21264624, 280260864,3970116255,60113625680,969368687752, 16588175089420,300272980075896,5733025551810600, 115148956467702600,2427199940533198992, 53576182138937428377,1235917889588345408586] |