among the five terms in a ,one of them is also a square number.write down this number.if this number

题目

among the five terms in a ,one of them is also a square number.write down this number.if this number is the nth term of the square sequence,what is the value of n

答案

大概是这样,题目有问题吧.
在集合A中的五个元素,其中一个也是一个平方数.写下这个数字.如果这个数是平方序列的第n项,求n的值
N可以是1,4,9,16,25..平方数都可以