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

Terms

a(0) =11a(1) =41a(2) =97a(3) =163a(4) =251a(5) =367a(6) =491a(7) =641a(8) =811a(9) =1009a(10) =1213a(11) =1447a(12) =1693a(13) =19661a(14) =2251a(15) =25621a(16) =2897a(17) =32411a(18) =3613a(19) =4001a(20) =44111a(21) =48413a(22) =5297a(23) =57637a(24) =6257a(25) =6761a(26) =7297a(27) =7841a(28) =8419a(29) =9001