Second prime factor, if it exists, of Mersenne numbers.
A089158
Second prime factor, if it exists, of Mersenne numbers.
Terms
- a(0) =89a(1) =178481a(2) =1103a(3) =616318177a(4) =164511353a(5) =9719a(6) =4513a(7) =69431a(9) =761838257287a(10) =48544121a(11) =2298041a(12) =202029703
External references
- oeis: A089158