Super-Increasing Sequence X=(x1, x2,., X,) is superincreasing if (2, 3, 6, 13, 27, 52)is superincreasingSuper-Increasing Sequence • X = (x1 , x2 ,…, xn ) is superincreasing if  − =  1 1 i j i j x x • (2,3,6,13,27,52 ) is superincreasing