%0 Journal Article %A Griffiths, Martin %T Counting the regions in a regular drawing of kn,n %J Journal of integer sequences %D 2010 %V 13 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/JIS_2010__13_8_a1/ %G en %F JIS_2010__13_8_a1