math.combinatorics: fix $values for all-selections.
math.combinatorics: fix $values for all-selections.

tgunr/factor,factor/factor,tgunr/factor,factor/factor,tgunr/factor,factor/factor,mrjbq7/factor,mrjbq7/factor,bpollack/factor,mrjbq7/factor,mrjbq7/factor,bpollack/factor,factor/factor,bpollack/factor,tgunr/factor,mrjbq7/factor,factor/factor,bpollack/factor,tgunr/factor,tgunr/factor,bpollack/factor,factor/factor,bpollack/factor,mrjbq7/factor,bpollack/factor