Emirps (A006567) whose difference with the reversal is a perfect square.

Terms

a(0) =37a(1) =73a(2) =1237a(3) =3019a(4) =7321a(5) =9103a(6) =104801a(7) =105601a(8) =106501a(9) =108401a(10) =111211a(11) =112111a(12) =120121a(13) =121021a(14) =137831a(15) =138731a(16) =144541a(17) =145441a(18) =150151a(19) =151051a(20) =161561a(21) =165161a(22) =167861a(23) =168761a(24) =171271a(25) =172171a(26) =180181a(27) =181081a(28) =185681a(29) =186581