Numbers n such that 51*2^n-1 is prime.

Terms

a(0) =1a(1) =9a(2) =10a(3) =19a(4) =22a(5) =57a(6) =69a(7) =97a(8) =141a(9) =169a(10) =171a(11) =195a(12) =238a(13) =735a(14) =885a(15) =1287a(16) =1365a(17) =2026a(18) =2211a(19) =2361a(20) =2889a(21) =3159a(22) =3709a(23) =5031a(24) =19066a(25) =33622a(26) =43162a(27) =188517a(28) =194875a(29) =217971