A043912 Numbers n such that 0 and 2 occur juxtaposed in the base 7 representation of n but not of n+1.

14, 51, 63, 104, 112, 149, 161, 198, 210, 247, 259, 296, 308, 345, 363, 394, 406, 447, 455, 492, 504, 541, 553, 590, 602, 639, 651, 734, 737, 749, 790, 798, 835, 847, 884, 896, 933, 945, 982, 994, 1031, 1049, 1080, 1092, 1133