n | a(n) |
---|---|
0 | 1 |
1 | 6 |
2 | 44 |
3 | 348 |
4 | 2886 |
5 | 24800 |
6 | 218888 |
7 | 1972572 |
8 | 18075100 |
9 | 167900506 |
10 | 1577467760 |
11 | 14963979584 |
12 | 143124912880 |
13 | 1378756186748 |
14 | 13365212659144 |
15 | 130274948580864 |
16 | 1276075285222662 |
17 | 12554452588117632 |
18 | 124003727286837484 |
19 | 1229203475053859456 |
20 | 12224294019862383720 |
[1,6,44,348,2886,24800,218888,1972572,18075100, 167900506,1577467760,14963979584,143124912880, 1378756186748,13365212659144,130274948580864, 1276075285222662,12554452588117632, 124003727286837484,1229203475053859456, 12224294019862383720] |