3,5,9,17,33...

来源:学生作业帮助网 编辑:作业帮 时间:2024/06/09 05:28:03
3,5,9,17,33...
x)31ձ1416ӳI*G/!Bݓnlz [0e^6zɎ]Fqy@!<;%6`6P Q.V Fg>[ٴچFh|c4 j.:j%4~6uӎ@sYSxp'ػtl5ry, ֧k jEa±`A[# }/.UOo|6auNX 

3,5,9,17,33...
3,5,9,17,33...

3,5,9,17,33...
3,5,9,17,33...也就是
2+1,4+1,8+1,16+1,32+1
通式为2^n+1

1+2^n

2n-1

2的1次方+1,2的2次方+1,2的3次方+1,2的4次方+1,2的5次方+1

2^n+1

A(n+1)是数列的第 n+1 项
A(n+1)=2*An-1
A(n+1)-1=2*(An-1)
[A(n+1)-1]/An-1)=2
后面就自己搞定吧