n | a(n) |
---|---|
0 | 1 |
1 | 11 |
2 | 121 |
3 | 971 |
4 | 6721 |
5 | 43331 |
6 | 269641 |
7 | 1648091 |
8 | 9981841 |
9 | 60176051 |
10 | 361921561 |
11 | 2174145611 |
12 | 13052763361 |
13 | 78340331171 |
14 | 470113403881 |
15 | 2820895001531 |
16 | 16926014399281 |
17 | 101558020876691 |
18 | 609353931324601 |
19 | 3656141011383851 |
[1,11,121,971,6721,43331,269641,1648091,9981841, 60176051,361921561,2174145611,13052763361, 78340331171,470113403881,2820895001531, 16926014399281,101558020876691,609353931324601, 3656141011383851] |