68

On an infinite chessboard, there are 68 distinct squares that are exactly three knight's moves away from any starting square.

), a regular 68-sided polygon is considered constructible using only a compass and straightedge. 68 in Culture and Daily Life On an infinite chessboard, there are 68 distinct

). Many mathematicians believe it is the last even number to have this exact property before higher numbers begin having three or more pairs. Because of its factorization ( On an infinite chessboard