Smallest prime factor of the semiprime 2^A165767(n)-A165767(n).

Terms

a(0) =2a(1) =11a(2) =7a(3) =2a(4) =271a(5) =6733a(6) =41a(7) =11a(8) =2a(9) =3769453a(10) =77647a(11) =2a(12) =541a(14) =13806493a(15) =5a(16) =3a(18) =193a(19) =19a(21) =398407a(22) =3a(23) =389a(24) =137a(25) =137867a(26) =3a(27) =3a(28) =160038737a(29) =739a(31) =37a(32) =5a(33) =48109