The OEIS is supported by the many generous donors to the OEIS Foundation.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 7 |
| 4 | 31 |
| 5 | 127 |
| 6 | 511 |
| 7 | 8191 |
| 8 | 131071 |
| 9 | 524287 |
| 10 | 2147483647 |
| 11 | 2305843009213693951 |
| 12 | 147573952589676412927 |
| 13 | 618970019642690137449562111 |
| 14 | 162259276829213363391578010288127 |
| 15 | 170141183460469231731687303715884105727 |
| 16 | 174224571863520493293247799005065324265471 |
[1,3,7,31,127,511,8191,131071,524287,2147483647, 2305843009213693951,147573952589676412927, 618970019642690137449562111, 162259276829213363391578010288127, 170141183460469231731687303715884105727, 174224571863520493293247799005065324265471] |