n | a(n) |
---|---|
0 | 0 |
1 | 4 |
2 | 17 |
3 | 63 |
4 | 256 |
5 | 1025 |
6 | 4095 |
7 | 16384 |
8 | 65537 |
9 | 262143 |
10 | 1048576 |
11 | 4194305 |
12 | 16777215 |
13 | 67108864 |
14 | 268435457 |
15 | 1073741823 |
16 | 4294967296 |
17 | 17179869185 |
18 | 68719476735 |
19 | 274877906944 |
20 | 1099511627777 |
21 | 4398046511103 |
22 | 17592186044416 |
23 | 70368744177665 |
[0,4,17,63,256,1025,4095,16384,65537,262143, 1048576,4194305,16777215,67108864,268435457, 1073741823,4294967296,17179869185,68719476735, 274877906944,1099511627777,4398046511103, 17592186044416,70368744177665] |