n | a(n) |
---|---|
2 | 1 |
3 | 7 |
4 | 70 |
5 | 610 |
6 | 5551 |
7 | 49777 |
8 | 448540 |
9 | 4035220 |
10 | 36321901 |
11 | 326882347 |
12 | 2941985410 |
13 | 26477735830 |
14 | 238300021051 |
15 | 2144698993717 |
16 | 19302294530680 |
17 | 173720640014440 |
18 | 1563485792415001 |
19 | 14071372034879887 |
[1,7,70,610,5551,49777,448540,4035220,36321901, 326882347,2941985410,26477735830,238300021051, 2144698993717,19302294530680,173720640014440, 1563485792415001,14071372034879887] |