A043954 Numbers n such that 4 and 5 occur juxtaposed in the base 8 representation of n but not of n+1.

37, 44, 101, 108, 165, 172, 229, 236, 293, 303, 359, 364, 421, 428, 485, 492, 549, 556, 613, 620, 677, 684, 741, 748, 805, 815, 871, 876, 933, 940, 997, 1004, 1061, 1068, 1125, 1132, 1189, 1196, 1253, 1260, 1317, 1327, 1383