n | a(n) |
---|---|
0 | 2 |
1 | 13 |
2 | 59 |
3 | 247 |
4 | 1007 |
5 | 4063 |
6 | 16319 |
7 | 65407 |
8 | 261887 |
9 | 1048063 |
10 | 4193279 |
11 | 16775167 |
12 | 67104767 |
13 | 268427263 |
14 | 1073725439 |
15 | 4294934527 |
16 | 17179803647 |
17 | 68719345663 |
18 | 274877644799 |
19 | 1099511103487 |
20 | 4398045462527 |
21 | 17592183947263 |
22 | 70368739983359 |
23 | 281474968322047 |
24 | 1125899890065407 |
[2,13,59,247,1007,4063,16319,65407,261887,1048063, 4193279,16775167,67104767,268427263,1073725439, 4294934527,17179803647,68719345663,274877644799, 1099511103487,4398045462527,17592183947263, 70368739983359,281474968322047,1125899890065407] |