Recursive C # program to find value of Iterated Logarithm
using System ; public class GFG { static int _log ( double x , double baset ) { return ( int ) ( Math . Log ( x ) / Math . Log ( baset ) ) ; } static double recursiveLogStar ( double n , double b ) { if ( n > 1.0 ) return 1.0 + recursiveLogStar ( _log ( n , b ) , b ) ; else return 0 ; }