Numbers that remain prime through 8 iterations of function f(x) = 2x + 1.

A138030

Numbers that remain prime through 8 iterations of function f(x) = 2x + 1.

Terms

    a(0) =85864769a(1) =198479579a(2) =305192579a(3) =2400025739a(4) =7606886429a(5) =7755909149a(6) =10378311899a(7) =16744125509a(8) =17029114499a(9) =17117793089a(10) =17574340739a(11) =26089808579a(12) =28889527679a(13) =43390196519a(14) =45424068359a(15) =52179617159a(16) =54293956289a(17) =56838102179a(18) =65639153579a(19) =66655116659

External references