%0 Journal Article %A Harrington, Joshua %A Gross, Samuel S. %T Special numbers in the ring $\Bbb Z_n$ %J Journal of integer sequences %D 2015 %V 18 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/JIS_2015__18_11_a1/ %G en %F JIS_2015__18_11_a1