A044483 Numbers n such that string 0,0 occurs in the base 6 representation of n but not of n+1.

36, 72, 108, 144, 180, 221, 252, 288, 324, 360, 396, 437, 468, 504, 540, 576, 612, 653, 684, 720, 756, 792, 828, 869, 900, 936, 972, 1008, 1044, 1085, 1116, 1152, 1188, 1224, 1260, 1332, 1368, 1404, 1440, 1476, 1517, 1548, 1584