Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 0 |
2 | 1 |
3 | 7 |
4 | 31 |
5 | 511 |
6 | 2047 |
7 | 32767 |
8 | 131071 |
9 | 2097151 |
10 | 134217727 |
11 | 536870911 |
12 | 34359738367 |
13 | 549755813887 |
14 | 2199023255551 |
15 | 35184372088831 |
16 | 2251799813685247 |
17 | 144115188075855871 |
18 | 576460752303423487 |
19 | 36893488147419103231 |
20 | 590295810358705651711 |
[0,1,7,31,511,2047,32767,131071,2097151,134217727, 536870911,34359738367,549755813887,2199023255551, 35184372088831,2251799813685247, 144115188075855871,576460752303423487, 36893488147419103231,590295810358705651711] |