A044517 Numbers n such that string 5,4 occurs in the base 6 representation of n but not of n+1.

34, 70, 106, 142, 178, 209, 214, 250, 286, 322, 358, 394, 425, 430, 466, 502, 538, 574, 610, 641, 646, 682, 718, 754, 790, 826, 857, 862, 898, 934, 970, 1006, 1042, 1073, 1078, 1114, 1150, 1186, 1222, 1259, 1289, 1294, 1330