Primes of the form p^k - p^(k-1) + 1 for some prime p and integer k > 1.

Terms

a(0) =3a(1) =5a(2) =7a(3) =17a(4) =19a(5) =43a(6) =101a(7) =157a(8) =163a(9) =257a(10) =487a(11) =1459a(12) =2029a(13) =4423a(14) =6163a(15) =14407a(16) =19183a(17) =22651a(18) =23549a(19) =26407a(20) =37057a(21) =39367a(22) =62501a(23) =65537a(24) =77659a(25) =113233a(26) =121453a(27) =143263a(28) =208393a(29) =292141