Mathc initiation/a496

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fa.h
/* ---------------------------------- */
/* save as fa.h                       */
/* ---------------------------------- */
double a_n(
double n)
{
        return( pow((4.*n-6.)/(n+2.),n) );
}
char a_neq[] =  "((4*n-6)/(n+2))**n";
/* ---------------------------------- */
double a_nn(
double n)
{
        return( pow(pow((4.*n-6.)/(n+2.),n),1./n) );
}
char a_nneq[] = "(((4*n-6)/(n+2))**n)**(1/n)";
/* ---------------------------------- */
/* ---------------------------------- */
double c_n(
double n)
{
        return( (4.*n-6.)/(n+2.) );
}
char c_neq[] =  " (4*n-6)/(n+2)";
/* ---------------------------------- */
/* ---------------------------------- */
fb.h
/* ---------------------------------- */
/* save as fb.h                       */
/* ---------------------------------- */
double a_n(
double n)
{
        return(  n/pow(8.,n) );
}
char a_neq[] =  " n/8**n";
/* ---------------------------------- */
double a_nn(
double n)
{
        return( pow( n/pow(8.,n), 1./n) );
}
char a_nneq[] = "(n/8**n)**(1/n)";
/* ---------------------------------- */
/* ---------------------------------- */
double c_n(
double n)
{
        return( pow((n),1./n)/8. );
}
char c_neq[] =  "n**(1/n)/8";
/* ---------------------------------- */
/* ---------------------------------- */