[1,1,1,1,1,2,2,2,2,2,4,4,4,4,4,6,6,6,6,6,9,9,9,9, 9,12,12,12,12,12,16,16,16,16,16,20,20,20,20,20,25, 25,25,25,25,30,30,30,30,30,36,36,36,36,36,42,42, 42,42,42,49,49,49,49,49,56,56,56,56,56,64,64,64, 64,64,72,72,72,72,72]