n | a(n) |
---|---|
1 | 1 |
2 | 9 |
3 | 18 |
4 | 261 |
5 | 9432 |
6 | 88848 |
7 | 236997 |
8 | 3792312 |
9 | 80803143 |
10 | 782822727 |
11 | 3454045407 |
12 | 36680468013 |
13 | 711212421033 |
14 | 7929871190046 |
15 | 41401704886317 |
16 | 358679343516273 |
17 | 7546461904118223 |
18 | 70046073175181976 |
19 | 487736675856414036 |
20 | 4236277072800369834 |
21 | 60582330255639462183 |
[1,9,18,261,9432,88848,236997,3792312,80803143, 782822727,3454045407,36680468013,711212421033, 7929871190046,41401704886317,358679343516273, 7546461904118223,70046073175181976, 487736675856414036,4236277072800369834, 60582330255639462183] |