272 



From the top line and the diagonal of units, we continue adding a number 

 to the one above fur the next number in the saint- line (a particular cat 

 5). When n> m, the number of functions in each set is 



The solution of these equations for the second set in terms of the first 

 is found by interchanging corresponding functions, pkrn—k and - 



Rose Polytechnic Institute. 



