The minimum overlap problem
by Jan Kristian Haugland

Please confer my articles on this topic

"Record-holding" step functions:

Number
of steps
10.5
20.444444...
30.4
40.4
50.391864...
60.388888....
70.386120....
80.385071....
90.382892....
100.382427....
110.382093....
150.381531....
170.381430....
190.381112....
290.380989....
350.380970....
490.380964....
510.380926....