Squares of primes of the form 4*k+3.

Terms

a(0) =9a(1) =49a(2) =121a(3) =361a(4) =529a(5) =961a(6) =1849a(7) =2209a(8) =3481a(9) =4489a(10) =5041a(11) =6241a(12) =6889a(13) =10609a(14) =11449a(15) =16129a(16) =17161a(17) =19321a(18) =22801a(19) =26569a(20) =27889a(21) =32041a(22) =36481a(23) =39601a(24) =44521a(25) =49729a(26) =51529a(27) =57121a(28) =63001a(29) =69169