a(n) is the smallest prime having exactly n consecutive primitive roots.

Terms

a(0) =2a(1) =5a(2) =11a(3) =37a(4) =53a(5) =89a(6) =83a(7) =347a(8) =269a(9) =563a(10) =467a(11) =1187a(12) =1907a(13) =4007a(14) =1559a(15) =8363a(16) =7727a(17) =6803a(18) =20327a(19) =45119a(20) =10559a(21) =35279a(22) =116639a(23) =68903a(24) =136223a(25) =217367a(26) =38639a(27) =416387a(28) =250799a(29) =616103