n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 7 |
4 | 31 |
5 | 63 |
6 | 127 |
7 | 1023 |
8 | 8191 |
9 | 16383 |
10 | 32767 |
11 | 131071 |
12 | 524287 |
13 | 67108863 |
14 | 1073741823 |
15 | 2147483647 |
16 | 17179869183 |
17 | 274877906943 |
18 | 8796093022207 |
19 | 2251799813685247 |
20 | 2305843009213693951 |
[1,3,7,31,63,127,1023,8191,16383,32767,131071, 524287,67108863,1073741823,2147483647,17179869183, 274877906943,8796093022207,2251799813685247, 2305843009213693951] |