Let p = n-th prime, then a(n) = smallest prime having p as its least prime primitive root.

Terms

a(0) =3a(1) =7a(2) =23a(3) =41a(4) =109a(5) =457a(6) =311a(7) =191a(8) =2137a(9) =409a(10) =1021a(11) =1031a(12) =1811a(13) =271a(14) =14293a(15) =2791a(16) =55441a(17) =35911a(18) =57991a(19) =221101a(20) =23911a(21) =11971a(22) =110881a(23) =103091a(24) =71761a(25) =513991a(26) =290041a(27) =31771a(28) =448141a(29) =2447761