what is the next number?4,16,37,58,89,145,? what is the next number? 20,4,16,37,58,89,145,?
问题描述：
what is the next number?4,16,37,58,89,145,? what is the next number? 20,4,16,37,58,89,145,?
答
42,20
后一个数是前一个数的各位数字的平方和
例如16＝4平方
37＝1平方＋6平方
58＝3平方＋7平方