找规律题,0,1 ,3,8 ,21,( ),144.还有,0,1,4,15 ,56,( ).

问题描述:

找规律题,0,1 ,3,8 ,21,( ),144.还有,0,1,4,15 ,56,( ).

0,1,3,8,21,55,144
0,1,4,15,56,153

55
209

首先第一个数列叫做斐波那契奇数项0,1,1,2,3,5,8,13,21,34,55,89,144从第三个数开始,An+1=An+An-1取奇数项.得新数列 0,1,3,8,21,55,144,第二个数列有不同的解法:1×4-0=44×4-1=1515×4-4=56每个数乘以4再减去他前...