Numbers n such that the greatest prime < 2^n is a twin prime member.
A128945
Numbers n such that the greatest prime < 2^n is a twin prime member.
Terms
- a(0) =2a(1) =3a(2) =4a(3) =5a(4) =6a(5) =10a(6) =12a(7) =16a(8) =20a(9) =149a(10) =150a(11) =476a(12) =594a(13) =788a(14) =1574a(15) =1664a(16) =1691a(17) =6117a(18) =6242
External references
- oeis: A128945