>>228

> y=8^x+1
>
> [３進数]
> [10]^2=[100]
> [22]^2=[22][22]=[484]=[1331]
> →3^3+3*3^2+3*3^1+1=27+27+9+1=64
>
> [22]^2=[22][22]=[11][11]*2^2
> =[121]*2^2
=[121]*[11]

>
> [22]^3=[121]*[11]*2^3
> =[1331]*2^3
=[1331]*[22]

>
> [22]^4=[1331]*[11]*2^4
> =[14641]*2^4
=[14641]*[44]
=[14641]*[11]*4
=[14641]*[11]*[11]
=[14641]*[121]

ほうほう、
なるほどなるほど