a(n) is the smallest prime with at least n consecutive primitive roots.

Terms

a(0) =2a(1) =5a(2) =11a(3) =37a(4) =53a(5) =83a(6) =83a(7) =269a(8) =269a(9) =467a(10) =467a(11) =1187a(12) =1559a(13) =1559a(14) =1559a(15) =6803a(16) =6803a(17) =6803a(18) =10559a(19) =10559a(20) =10559a(21) =35279a(22) =38639a(23) =38639a(24) =38639a(25) =38639a(26) =38639