Numbers k of the form q^2, q = prime, such that k-2 is a prime.

Terms

a(0) =4a(1) =9a(2) =25a(3) =49a(4) =169a(5) =361a(6) =841a(7) =1369a(8) =1849a(9) =2209a(10) =3721a(11) =5041a(12) =7921a(13) =10609a(14) =11449a(15) =16129a(16) =17161a(17) =19321a(18) =29929a(19) =36481a(20) =44521a(21) =49729a(22) =54289a(23) =57121a(24) =66049a(25) =85849a(26) =97969a(27) =113569a(28) =128881a(29) =177241