0 votes 0 votes Find a formula for the number of ways to seat $r$ of $n$ people around a circular table, where seatings are considered the same if every person has the same two neighbors without regard to which side these neighbors are sitting on. Combinatory kenneth-rosen discrete-mathematics counting combinatory descriptive + – admin asked Apr 29, 2020 admin 274 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.