#1 = Get_Num("Number of rows: ", STATLINE)
for (#2 = 0; #2 < #1; #2++) {
    #3 = 1
    Ins_Char(' ', COUNT, (#1-#2-1)*3)
    for (#4 = 0; #4 <= #2; #4++) {
	Num_Ins(#3, COUNT, 6)
	#3 = #3 * (#2-#4) / (#4+1)
    }
    Ins_Newline
}