Squares which remain squares when the last digit is removed.

Terms

a(0) =0a(1) =1a(2) =4a(3) =9a(4) =16a(5) =49a(6) =169a(7) =256a(8) =361a(9) =1444a(10) =3249a(11) =18496a(12) =64009a(13) =237169a(14) =364816a(15) =519841a(16) =2079364a(17) =4678569a(18) =26666896a(19) =92294449a(20) =341991049a(21) =526060096a(22) =749609641a(23) =2998438564a(24) =6746486769a(25) =38453641216a(26) =133088524969a(27) =493150849009a(28) =758578289296