Write a recursive function convert any decimal number $\{$@code n $>0\}$ and

$*\{$@code n $<=65535\}$ into a octal number, return an array represents the octal

$*$ number

$*$

$*$ A octal $($base$-8)$ number. A octal number is made up of one or more octal

$*$ digits $\{0,1,2,3,4,5,6,7\}.$

$*$

$*$