A044367 Numbers n such that string 3,5 occurs in the base 10 representation of n but not of n-1.

35, 135, 235, 335, 350, 435, 535, 635, 735, 835, 935, 1035, 1135, 1235, 1335, 1350, 1435, 1535, 1635, 1735, 1835, 1935, 2035, 2135, 2235, 2335, 2350, 2435, 2535, 2635, 2735, 2835, 2935, 3035, 3135, 3235, 3335, 3350, 3435