n | a(n) |
---|---|
0 | 1 |
1 | 19 |
2 | 217 |
3 | 2107 |
4 | 19441 |
5 | 176419 |
6 | 1592137 |
7 | 14342347 |
8 | 129120481 |
9 | 1162202419 |
10 | 10460176057 |
11 | 94142647387 |
12 | 847287015121 |
13 | 7625592702019 |
14 | 68630363015977 |
15 | 617673353237227 |
16 | 5559060437415361 |
17 | 50031544711579219 |
18 | 450283904728735897 |
19 | 4052555149532191867 |
[1,19,217,2107,19441,176419,1592137,14342347, 129120481,1162202419,10460176057,94142647387, 847287015121,7625592702019,68630363015977, 617673353237227,5559060437415361, 50031544711579219,450283904728735897, 4052555149532191867] |