Name

number_fermat — Returns the Fermat number 2^2^n + 1

Calling Sequence

   
   

Parameters

n :

a 1x1 matrix of floating point integers, must be positive

a :

a 1x1 matrix of floating point integers

Description

Returns the Fermat number :

Examples

number_fermat ( 0 ) // 3
number_fermat ( 1 ) // 5
number_fermat ( 2 ) // 17
number_fermat ( 3 ) // 257
number_fermat ( 4 ) // 65537
number_fermat ( 5 ) // 641*6700417

   

Authors

Copyright (C) 2009 - 2010 - DIGITEO - Michael Baudin