Least positive integer m such that prime(m+n) divides 2^m - 1.

Terms

a(0) =3a(1) =22a(2) =18a(3) =50a(4) =48a(5) =5a(6) =48a(7) =121a(8) =390a(9) =21a(10) =37a(11) =9a(12) =11a(13) =110a(14) =672a(15) =11628a(16) =14a(17) =286a(18) =1000a(19) =329a(20) =15a(21) =29a(22) =32a(23) =7a(24) =90a(25) =42a(26) =1001a(27) =816a(28) =24a(29) =408