A043951 Numbers n such that 3 and 5 occur juxtaposed in the base 8 representation of n but not of n+1.

29, 43, 93, 107, 157, 171, 221, 239, 285, 299, 351, 363, 413, 427, 477, 491, 541, 555, 605, 619, 669, 683, 733, 751, 797, 811, 863, 875, 925, 939, 989, 1003, 1053, 1067, 1117, 1131, 1181, 1195, 1245, 1263, 1309, 1323, 1375