Pairs of a prime number and square of prime number differs by 2. (Pseudo-twin).

Terms

a(0) =2a(1) =4a(2) =7a(3) =9a(4) =9a(5) =11a(6) =23a(7) =25a(8) =47a(9) =49a(10) =167a(11) =169a(12) =359a(13) =361a(14) =839a(15) =841a(16) =1367a(17) =1369a(18) =1847a(19) =1849a(20) =2207a(21) =2209a(22) =3719a(23) =3721a(24) =5039a(25) =5041a(26) =7919a(27) =7921a(28) =10607a(29) =10609