n | a(n) |
---|---|
0 | 1 |
1 | 18 |
2 | 325 |
3 | 5868 |
4 | 105949 |
5 | 1912950 |
6 | 34539049 |
7 | 623615832 |
8 | 11259624025 |
9 | 203296848282 |
10 | 3670602893101 |
11 | 66274148924100 |
12 | 1196605283526901 |
13 | 21605169252408318 |
14 | 390089651826876625 |
15 | 7043218902136187568 |
16 | 127168029890278252849 |
17 | 2296067756927144738850 |
18 | 41456387654578883552149 |
[1,18,325,5868,105949,1912950,34539049,623615832, 11259624025,203296848282,3670602893101, 66274148924100,1196605283526901,21605169252408318, 390089651826876625,7043218902136187568, 127168029890278252849,2296067756927144738850, 41456387654578883552149] |