n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 7 |
3 | 27 |
4 | 108 |
5 | 432 |
6 | 1728 |
7 | 6912 |
8 | 27648 |
9 | 110592 |
10 | 442368 |
11 | 1769472 |
12 | 7077888 |
13 | 28311552 |
14 | 113246208 |
15 | 452984832 |
16 | 1811939328 |
17 | 7247757312 |
18 | 28991029248 |
19 | 115964116992 |
20 | 463856467968 |
21 | 1855425871872 |
[1,1,7,27,108,432,1728,6912,27648,110592,442368, 1769472,7077888,28311552,113246208,452984832, 1811939328,7247757312,28991029248,115964116992, 463856467968,1855425871872] |