 Maximalized interpretations for more than n and similar kinds of indefinites like at least n are discussed in Reinhart 1986, Kadmon  (1987, 1990, 2001), Schein 1993, and Landman (2000, 2004). Some of the original observations go back to Evans 1977. As noted by Reinhart and Kadmon, more than n noun phrases produce maximality effects of the kind illustrated in (43):