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

Terms

a(0) =0a(1) =1a(2) =5a(3) =10a(4) =11a(5) =15a(6) =35a(7) =50a(8) =55a(9) =100a(10) =101a(11) =105a(12) =110a(13) =111a(14) =115a(15) =150a(16) =235a(17) =335a(18) =350a(19) =351a(20) =500a(21) =501a(22) =505a(23) =550a(24) =1000a(25) =1001a(26) =1005a(27) =1010a(28) =1011a(29) =1015