Numbers n such that string 6,2 occurs in the base 10 representation of n but not of n+1.

Terms

a(0) =62a(1) =162a(2) =262a(3) =362a(4) =462a(5) =562a(6) =629a(7) =662a(8) =762a(9) =862a(10) =962a(11) =1062a(12) =1162a(13) =1262a(14) =1362a(15) =1462a(16) =1562a(17) =1629a(18) =1662a(19) =1762a(20) =1862a(21) =1962a(22) =2062a(23) =2162a(24) =2262a(25) =2362a(26) =2462a(27) =2562a(28) =2629a(29) =2662