If they have a remainder of 4 when divided by six the sequence of terms are: 6n+4
42≤6n+4≤92
subtract 4 from both ends
38≤6n≤88
divide both ends by 6
6.3≤n≤14.6
since n must be an integer...
7≤n≤14 so the number of integers is:
14-7+1=8
they are 6n+4 for n=[7,14]...46,52,58,64,70,76,82,88