a(1) = 1, a(n) = the smallest squarefree number > a(n-1) which contains all the digits of a(n-1).
A077712
a(1) = 1, a(n) = the smallest squarefree number > a(n-1) which contains all the digits of a(n-1).
Terms
- a(0) =1a(1) =10a(2) =101a(3) =110a(4) =1001a(5) =1010a(6) =10001a(7) =10010a(8) =100001a(9) =100010a(10) =1000001a(11) =1000010a(12) =10000001a(13) =10000010a(14) =100000001a(15) =100000010a(16) =1000000001a(17) =1000000010a(18) =10000000001a(19) =10000000010a(20) =100000000010
External references
- oeis: A077712