n | a(n) |
---|---|
1 | 1 |
2 | 16 |
3 | 125 |
4 | 758 |
5 | 4071 |
6 | 20424 |
7 | 98185 |
8 | 458506 |
9 | 2096651 |
10 | 9436172 |
11 | 41941005 |
12 | 184545294 |
13 | 805298191 |
14 | 3489644560 |
15 | 15032352785 |
16 | 64424443922 |
17 | 274877775891 |
18 | 1168230842388 |
19 | 4947801800725 |
20 | 20890719879190 |
21 | 87960928124951 |
[1,16,125,758,4071,20424,98185,458506,2096651, 9436172,41941005,184545294,805298191,3489644560, 15032352785,64424443922,274877775891, 1168230842388,4947801800725,20890719879190, 87960928124951] |