Odd integers n such that for every integer k>0, n*2^k+1 has a divisor in the set { 3, 5, 7, 13, 19, 37, 109 }.
A244563
Odd integers n such that for every integer k>0, n*2^k+1 has a divisor in the set { 3, 5, 7, 13, 19, 37, 109 }.
Terms
- a(0) =1290677a(1) =4095859a(2) =5841947a(3) =7158107a(4) =8959163a(5) =9044629a(6) =9252323a(7) =9933857a(8) =10306187a(9) =11000303a(10) =15598231a(11) =16010419a(12) =16625747a(13) =16907749a(14) =18068693a(15) =19428919a(16) =20189993a(17) =23487497a(18) =25614893a(19) =26471633a(20) =28410121a(21) =30375901a(22) =30666137a(23) =32552687
External references
- oeis: A244563