Smallest nontrivial extension of n-th cube which is a prime.

Terms

a(0) =11a(1) =83a(2) =271a(3) =641a(4) =1259a(5) =2161a(6) =3433a(7) =51217a(8) =7297a(9) =10007a(10) =13313a(11) =172829a(12) =21977a(13) =27449a(14) =33751a(15) =40961a(16) =49139a(17) =58321a(18) =68597a(19) =800011a(20) =926111a(21) =106487a(22) =1216711a(23) =138241a(24) =156253a(25) =1757617a(26) =196831a(27) =219523a(28) =2438911a(29) =270001