a(1) = 1 and a(n+1) is the least number > a(n) that begins with the last digit of a(n) and doesn't end with 0.

A098752

a(1) = 1 and a(n+1) is the least number > a(n) that begins with the last digit of a(n) and doesn't end with 0.

Terms

    a(0) =1a(1) =11a(2) =12a(3) =21a(4) =101a(5) =102a(6) =201a(7) =1001a(8) =1002a(9) =2001a(10) =10001a(11) =10002a(12) =20001a(13) =100001a(14) =100002a(15) =200001a(16) =1000001a(17) =1000002a(18) =2000001a(19) =10000001a(20) =10000002a(21) =20000001a(22) =100000001a(23) =100000002a(24) =200000001a(25) =1000000001a(26) =1000000002a(27) =2000000001a(28) =10000000001

External references