The title of this article is a conjectural. Though the topic is found within The Simpsons universe, a proper name is not available.
The M.C. Escher couch gag is the eighth couch gag of Season 6.
The living room is at the center of an M.C. Escher's Relativity style environment with multiple staircases and conflicting perspectives; the family enters from various directions (and dimensions) and sits.