n | a(n) |
---|---|
0 | 1 |
1 | 7 |
2 | 31 |
3 | 127 |
4 | 511 |
5 | 2047 |
6 | 8191 |
7 | 32767 |
8 | 131071 |
9 | 524287 |
10 | 299593 |
11 | 8388607 |
12 | 33554431 |
13 | 134217727 |
14 | 536870911 |
15 | 2147483647 |
16 | 8589934591 |
17 | 34359738367 |
18 | 137438953471 |
19 | 549755813887 |
20 | 2199023255551 |
21 | 8796093022207 |
22 | 35184372088831 |
23 | 140737488355327 |
24 | 562949953421311 |
25 | 2251799813685247 |
[1,7,31,127,511,2047,8191,32767,131071,524287, 299593,8388607,33554431,134217727,536870911, 2147483647,8589934591,34359738367,137438953471, 549755813887,2199023255551,8796093022207, 35184372088831,140737488355327,562949953421311, 2251799813685247] |