n | a(n) |
---|---|
1 | 1 |
2 | 16 |
3 | 177 |
4 | 1696 |
5 | 14995 |
6 | 126180 |
7 | 1025707 |
8 | 8133544 |
9 | 63274143 |
10 | 484966972 |
11 | 3672258385 |
12 | 27533213880 |
13 | 204715798387 |
14 | 1511417062948 |
15 | 11090886972237 |
16 | 80957709527896 |
17 | 588206815480213 |
18 | 4256231985648516 |
19 | 30685328305245631 |
20 | 220504966309520728 |
21 | 1579874958814261407 |
[1,16,177,1696,14995,126180,1025707,8133544, 63274143,484966972,3672258385,27533213880, 204715798387,1511417062948,11090886972237, 80957709527896,588206815480213,4256231985648516, 30685328305245631,220504966309520728, 1579874958814261407] |