A043115 Numbers n such that 3 and 4 occur juxtaposed in the base 5 representation of n but not of n-1.

19, 23, 44, 48, 69, 73, 94, 115, 123, 144, 148, 169, 173, 194, 198, 219, 240, 248, 269, 273, 294, 298, 319, 323, 344, 365, 373, 394, 398, 419, 423, 444, 448, 469, 519, 523, 544, 548, 569, 573, 575, 615, 623, 644, 648, 669, 673