Numbers n such that string 3,5 occurs in the base 10 representation of n but not of n-1.

Terms

a(0) =35a(1) =135a(2) =235a(3) =335a(4) =350a(5) =435a(6) =535a(7) =635a(8) =735a(9) =835a(10) =935a(11) =1035a(12) =1135a(13) =1235a(14) =1335a(15) =1350a(16) =1435a(17) =1535a(18) =1635a(19) =1735a(20) =1835a(21) =1935a(22) =2035a(23) =2135a(24) =2235a(25) =2335a(26) =2350a(27) =2435a(28) =2535a(29) =2635