Smallest prime p of the form p = 3^n + k, where k has n prime divisors counted with multiplicity.

A212821

Smallest prime p of the form p = 3^n + k, where k has n prime divisors counted with multiplicity.

Terms

    a(0) =2a(1) =5a(2) =13a(3) =47a(4) =97a(5) =419a(6) =953a(7) =3019a(8) =7457a(9) =20963a(10) =61609a(11) =189947a(12) =557041a(13) =1614803a(14) =4840313a(15) =14430827a(16) =43276097a(17) =129959363a(18) =388862281a(19) =1165669339a(20) =3493338001a(21) =10471887539a(22) =31395739673

External references