Sum of digits of square is sum of square of digits.

Terms

a(0) =0a(1) =1a(2) =2a(3) =3a(4) =10a(5) =20a(6) =30a(7) =33a(8) =100a(9) =200a(10) =300a(11) =330a(12) =333a(13) =1000a(14) =1143a(15) =1431a(16) =2000a(17) =2242a(18) =3000a(19) =3233a(20) =3300a(21) =3330a(22) =3331a(23) =3333a(24) =3411a(25) =3433a(26) =4131a(27) =10000a(28) =11234a(29) =11243