n | a(n) |
---|---|
1 | 1 |
2 | 19 |
3 | 181 |
4 | 1639 |
5 | 14761 |
6 | 132859 |
7 | 1195741 |
8 | 10761679 |
9 | 96855121 |
10 | 871696099 |
11 | 7845264901 |
12 | 70607384119 |
13 | 635466457081 |
14 | 5719198113739 |
15 | 51472783023661 |
16 | 463255047212959 |
17 | 4169295424916641 |
18 | 37523658824249779 |
19 | 337712929418248021 |
20 | 3039416364764232199 |
21 | 27354747282878089801 |
[1,19,181,1639,14761,132859,1195741,10761679, 96855121,871696099,7845264901,70607384119, 635466457081,5719198113739,51472783023661, 463255047212959,4169295424916641, 37523658824249779,337712929418248021, 3039416364764232199,27354747282878089801] |