122 MAJOR P. A. MACMAHON ON THE COMPOSITIONS OF NUMBERS. 



(pq) D = (d p d g ) = 



^ = (d f d g d r ) 



and generally 

 and more generally 

 or, if STTJ? = ?i, STT = t, 



Art. 93. From the relations 



s!D 

 we find the set 



D 1 a = 2D,-6D,, 



D, 8 =6D 3 -66D 2 +& a D 1 , 



D, 4 = 24D 4 -366D a +14//D,-6 > D 1 , 



Art. 94. And also the set 



