A044420 Numbers n such that string 8,8 occurs in the base 10 representation of n but not of n-1.

88, 188, 288, 388, 488, 588, 688, 788, 880, 988, 1088, 1188, 1288, 1388, 1488, 1588, 1688, 1788, 1880, 1988, 2088, 2188, 2288, 2388, 2488, 2588, 2688, 2788, 2880, 2988, 3088, 3188, 3288, 3388, 3488, 3588, 3688, 3788, 3880