n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 9 |
3 | 36 |
4 | 162 |
5 | 783 |
6 | 3969 |
7 | 20817 |
8 | 112023 |
9 | 615033 |
10 | 3431403 |
11 | 19398690 |
12 | 110880900 |
13 | 639730305 |
14 | 3720657807 |
15 | 21790419444 |
16 | 128398625658 |
17 | 760668489729 |
18 | 4528069760691 |
19 | 27070491820644 |
20 | 162464919528222 |
21 | 978463778897637 |
[1,3,9,36,162,783,3969,20817,112023,615033, 3431403,19398690,110880900,639730305,3720657807, 21790419444,128398625658,760668489729, 4528069760691,27070491820644,162464919528222, 978463778897637] |