n | a(n) |
---|---|
1 | 9 |
2 | 51 |
3 | 231 |
4 | 975 |
5 | 3999 |
6 | 16191 |
7 | 65151 |
8 | 261375 |
9 | 1047039 |
10 | 4191231 |
11 | 16771071 |
12 | 67096575 |
13 | 268410879 |
14 | 1073692671 |
15 | 4294868991 |
16 | 17179672575 |
17 | 68719083519 |
18 | 274877120511 |
19 | 1099510054911 |
20 | 4398043365375 |
21 | 17592179752959 |
22 | 70368731594751 |
23 | 281474951544831 |
24 | 1125899856510975 |
[9,51,231,975,3999,16191,65151,261375,1047039, 4191231,16771071,67096575,268410879,1073692671, 4294868991,17179672575,68719083519,274877120511, 1099510054911,4398043365375,17592179752959, 70368731594751,281474951544831,1125899856510975] |