Write n in binary then square as if written in base 10.

Terms

a(0) =0a(1) =1a(2) =100a(3) =121a(4) =10000a(5) =10201a(6) =12100a(7) =12321a(8) =1000000a(9) =1002001a(10) =1020100a(11) =1022121a(12) =1210000a(13) =1212201a(14) =1232100a(15) =1234321a(16) =100000000a(17) =100020001a(18) =100200100a(19) =100220121a(20) =102010000a(21) =102030201a(22) =102212100a(23) =102232321a(24) =121000000a(25) =121022001