a(1) = 111, a(n) = the smallest squarefree number > a(n-1) which contains all the digits of a(n-1).

A086818

a(1) = 111, a(n) = the smallest squarefree number > a(n-1) which contains all the digits of a(n-1).

Terms

    a(0) =111a(1) =1011a(2) =1101a(3) =1110a(4) =10011a(5) =10101a(6) =10110a(7) =11001a(8) =11010a(9) =100011a(10) =100101a(11) =100110a(12) =101001a(13) =101010a(14) =110001a(15) =110010a(16) =1000011a(17) =1000101a(18) =1000110a(19) =1001001a(20) =1001010a(21) =1010001a(22) =1010010a(23) =1100010a(24) =10000011a(25) =10000101a(26) =10000110a(27) =10001001a(28) =10001010

External references