-36 THÉORIE 



et la différence i^ sont respectivement, pour 



n = 1 1 , 



// = 19, 

 Il = u3, 

 ;/= 3 1 , 

 /' = 13, 



" = 47, 

 Il == 59, 

 // — (i;, 



n = 79, 

 n = 83, 



1 ï'2 



1,3,4,5 

 9 



11,16,17 



1,2,3,4,6,8,9 

 I '2,1 3, 16, 18 

 î, 2,4,5,7,8,9,10,14 

 16,18,19,20,25,28 



i,4A9,io,'i,i'^' 4, 15,16,17,2' 

 23,24,25,3 1, 35, 36,38,4o,4i 



1,2,3,4,6,7,8,9,12,14,16,17,18,21 

 24,25,27,28,32,34,36,37,42 



1,3,4,5,7,9,1 2, 15,16,17,19,20,2 1,22,25, 26,27,28, _>9 

 35,36,41,45,46,48,49,51,53,57 



1,4,6,9,10,14,15,16,17,19,21,22,23,24,25,26,29,33 

 35,36,37,39,40,47,49,54,55,56,59,60,62,64,65 



1,2,3,4,5,6,8,9,10,12,15,18,19,20,24,25,26,27,29,30,32 

 36,37,38,40,43,45,48,49,50,54,57,58,60,64 



1,2,4,5,8,9, [o,i i,i3,i6,i8,ig,2o,2i,22,23,25,26,3i,32,36,38 

 40,42,44,45,46,49,50,51,52,55,62,64,65,67,72,74,76 



1,3,4,7,9,10,1 1,12,16,17,21,23,25,26,27,28,29,30,31,33,36,37,38,40,41 '= 25 



44,48,49,51,59,61,63,64,65,68,69,70,75,77,78,81 J = 16 



Donc les valeurs de 



(|ui permettront toujours de résoudre en nombres entiers 

 l'équation 



1 — 2 I 

 '•=4 i 



/=! ' 

 iZ=6 



./=3 



y=4 



,/ = 6 

 2^12 

 ,/ = 9 



/=: l4 



7=9 

 '■=19 



y=io 



l'= 18 

 /=i5 



i = 21 



7= 14 



/:^= 22 

 7=1 



,1 — 



, ' 



l 



^^—]9 



i — ,; 





/ 



,'■ 



