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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 | 15 |
| 4 | 255 |
| 5 | 65535 |
| 6 | 83623935 |
| 7 | 4294967295 |
| 8 | 6992962672132095 |
[1,3,15,255,65535,83623935,4294967295, 6992962672132095] |