Odd integers n such that for every integer k>0, n*2^k+1 has a divisor in the set { 3, 5, 7, 13, 37, 73, 109 }.
A244565
Odd integers n such that for every integer k>0, n*2^k+1 has a divisor in the set { 3, 5, 7, 13, 37, 73, 109 }.
Terms
- a(0) =322523a(1) =12413281a(2) =16921847a(3) =27862127a(4) =29095681a(5) =35430841a(6) =43925747a(7) =47635073a(8) =50273851a(9) =56517767a(10) =57816799a(11) =59929127a(12) =60666107a(13) =63662611a(14) =66887071a(15) =69265069a(16) =77564731a(17) =83460571a(18) =87376127a(19) =104697533
External references
- oeis: A244565