Numbers n such that string 8,5 occurs in the base 10 representation of n but not of n-1.

Terms

a(0) =85a(1) =185a(2) =285a(3) =385a(4) =485a(5) =585a(6) =685a(7) =785a(8) =850a(9) =885a(10) =985a(11) =1085a(12) =1185a(13) =1285a(14) =1385a(15) =1485a(16) =1585a(17) =1685a(18) =1785a(19) =1850a(20) =1885a(21) =1985a(22) =2085a(23) =2185a(24) =2285a(25) =2385a(26) =2485a(27) =2585a(28) =2685a(29) =2785