A043948 Numbers n such that 2 and 6 occur juxtaposed in the base 8 representation of n but not of n+1.

22, 50, 86, 114, 150, 183, 214, 242, 278, 306, 342, 370, 407, 434, 470, 498, 534, 562, 598, 626, 662, 695, 726, 754, 790, 818, 854, 882, 919, 946, 982, 1010, 1046, 1074, 1110, 1138, 1174, 1207, 1238, 1266, 1302, 1330, 1366