n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 9 |
3 | 97 |
4 | 1145 |
5 | 14289 |
6 | 185193 |
7 | 2467137 |
8 | 33563481 |
9 | 464221105 |
10 | 6507351113 |
11 | 92236247841 |
12 | 1319640776249 |
13 | 19031570387857 |
14 | 276368559434025 |
15 | 4037555902072065 |
16 | 59299855337012505 |
17 | 875056238174271345 |
18 | 12967283824008178185 |
19 | 192889769468751321825 |
20 | 2879117809973276680185 |
[1,1,9,97,1145,14289,185193,2467137,33563481, 464221105,6507351113,92236247841,1319640776249, 19031570387857,276368559434025,4037555902072065, 59299855337012505,875056238174271345, 12967283824008178185,192889769468751321825, 2879117809973276680185] |