Squares with digital root 1.

Terms

a(0) =1a(1) =64a(2) =100a(3) =289a(4) =361a(5) =676a(6) =784a(7) =1225a(8) =1369a(9) =1936a(10) =2116a(11) =2809a(12) =3025a(13) =3844a(14) =4096a(15) =5041a(16) =5329a(17) =6400a(18) =6724a(19) =7921a(20) =8281a(21) =9604a(22) =10000a(23) =11449a(24) =11881a(25) =13456a(26) =13924a(27) =15625a(28) =16129a(29) =17956