n | a(n) |
---|---|
0 | 1 |
1 | 9 |
2 | 320 |
3 | 7073 |
4 | 69632 |
5 | 423393 |
6 | 1941760 |
7 | 7861953 |
8 | 33554432 |
9 | 177264449 |
10 | 1173741824 |
11 | 8804293473 |
12 | 69149458432 |
13 | 550571544609 |
14 | 4399522300160 |
15 | 35186934979457 |
16 | 281479271677952 |
17 | 2251806789442689 |
18 | 18014409529442560 |
19 | 144115205059418913 |
[1,9,320,7073,69632,423393,1941760,7861953, 33554432,177264449,1173741824,8804293473, 69149458432,550571544609,4399522300160, 35186934979457,281479271677952,2251806789442689, 18014409529442560,144115205059418913] |