求分析 讲解 0.5,1,2,5,17,107 ( ) A.1947 B.1945 C.1943 D.1941
问题描述：
求分析 讲解 0.5,1,2,5,17,107 ( ) A.1947 B.1945 C.1943 D.1941
答
A[n] = A[n-1] * A[n-2] + A[n-1] + A[n-2]
2 = 0.5 * 1 + 0.5 + 1
5 = 1 * 2 + 1 + 2
17 = 2 * 5 + 2 + 5
107 = 5 * 17 + 5 + 17
下一项是1943