Nonprime numbers of the form 1 + Sum_{k=1..m} 2^(2*k - 1).
A127959
Nonprime numbers of the form 1 + Sum_{k=1..m} 2^(2*k - 1).
Terms
- a(0) =171a(1) =10923a(2) =699051a(3) =11184811a(4) =44739243a(5) =178956971a(6) =2863311531a(7) =11453246123a(8) =45812984491a(9) =183251937963a(10) =733007751851
External references
- oeis: A127959