n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | 1 |
5 | 1 |
6 | 1 |
7 | 19 |
8 | 27 |
9 | 575 |
10 | 1125 |
11 | 11015 |
12 | 28077 |
13 | 425211 |
14 | 1200943 |
15 | 68898133 |
16 | 240563637 |
17 | 37717682283 |
18 | 167346267341 |
19 | 25928895855769 |
20 | 138290723957205 |
21 | 29142735143015429 |
[1,1,1,1,1,1,19,27,575,1125,11015,28077,425211, 1200943,68898133,240563637,37717682283, 167346267341,25928895855769,138290723957205, 29142735143015429] |