**fig10_43.txt**

/* 1*/	double
/* 2*/	Eval( const unsigned int N )
/* 3*/	{
/* 4*/	    double Sum = 0.0;

/* 5*/	    if( N == 0 )
/* 6*/	        return 1.0;

/* 7*/	    for( int i = 0; i < N; i++ )
/* 8*/	        Sum += Eval( i );

/* 9*/	    return 2.0 * Sum / double( N ) + double( N );
/*10*/	}