[1,1,2,1,6,2,1,12,12,2,1,20,40,20,2,1,30,100,100, 30,2,1,42,210,350,210,42,2,1,56,392,980,980,392, 56,2,1,72,672,2352,3528,2352,672,72,2,1,90,1080, 5040,10584,10584,5040,1080,90,2]