2,3,7,16,65,321,( )2,3,7,16,65,321,( )A.4542\x09 B.4544\x09 C.4546\x09 D.4548

问题描述:

2,3,7,16,65,321,( )
2,3,7,16,65,321,( )
A.4542\x09 B.4544\x09 C.4546\x09 D.4548

答案:C
解析:(An-2)的平方+An-1,故( )=652+321=4546.