Numbers k such that k and k^2 use only the digits 0, 1, 3, 5 and 6.

Terms

a(0) =0a(1) =1a(2) =6a(3) =10a(4) =56a(5) =60a(6) =100a(7) =551a(8) =560a(9) =600a(10) =1000a(11) =1056a(12) =1066a(13) =1156a(14) =3656a(15) =5506a(16) =5510a(17) =5600a(18) =6000a(19) =10000a(20) =10301a(21) =10560a(22) =10656a(23) =10660a(24) =11560a(25) =36056a(26) =36560a(27) =55056a(28) =55060a(29) =55100