Squares of the form 2*p + 3, where p is a prime.

Terms

a(0) =9a(1) =25a(2) =49a(3) =121a(4) =169a(5) =361a(6) =529a(7) =625a(8) =841a(9) =961a(10) =1369a(11) =1681a(12) =2209a(13) =3025a(14) =4225a(15) =4489a(16) =5329a(17) =5929a(18) =6241a(19) =8281a(20) =9409a(21) =10201a(22) =10609a(23) =11881a(24) =14161a(25) =20449a(26) =22801a(27) =24025a(28) =24649a(29) =25921