Are you doing something your wife would consider cheating? I am married. My husband knows how I feel and what I do consider cheating. And I DO consider a married man going to a strip club without his wife, to be cheating. If you feel ashamed by it, then I think you have the answer you want right there. If you have to ask strangers if what you are doing is wrong, then I think you know in your heart that it is. You should know how your wife would feel.
If you are going there because you are lonely, call up a friend to hang out with. If you are going because you are horny, look at porn. At least with porn you and your wife can both feel better knowing that some other woman isn't actually grinding her naughty bits all over you. On the other hand, maybe you enjoy that sort of thing. Maybe your wife is the type of woman who isn't jealous and wouldn't mind a lap dance or two. You would know better then we would how she feels about that.
I would suggest letting your wife know what you've been up to. Whether it counts as cheating depends on what she defines as cheating.