1135 



+ 1 



A2(^-i) 



^11 , -412 



-4-21 , Ao-i , 



Ak-\-\,l , ^yt-l-1,-2 , 



- A,i , i,..> 

 '-1,0 



O , -1 , 



O , Ó 



-Ak-x, 

 -Ak+i, 



A,. 



..O 

 ..O 



.. — 1 



O ,...0 

 o ,...0 



o , o 



, A\x, ^-iiv^; -1,1 5 4;-|-i.i v.-^7i 

 , ^12, ^2-2,".4;"-i,-2, 4>-fl,2v.^72 



^11 ' -1]2 ,vl]y_, , .4i./-|_i ,..^1^ 

 -i'il ,-4.22 ,-42,/-l , -■42,/-(-i ,.-^27 



^ I -•!/.• -1,1, -4/, 1,2. .-J/.-!./-!, .i/.^i /_,_,,.. .,4^^_^_^ 



A'-i(^-i) 



^4.1 ,X> ,.4,,/_i ,i.,/+i ,...^„ 



X 



X 



-4ii ,.421 ....4y— 1,1 ^ 4y+l,l v-4^] 



-4 12 , -422 



-4i,/_i , 



.4i,/+i , ^2,/+i ,...-4;_i^/+i, .4;_^i,/+i,...yl,/^i 



^1. ,i->. v..4;_i,, ,-4;+l^. ,,..i„ 



y42,/-i ,...-4;-i,/-i' A7+i,/-i'"-4v-i 





,2(7-1) 



Consequently we find 



A3 +-2'ay/aA-/ 



^.y^-=^^-,.^.-^ = 



^D^ 



ciiid in pai'ticiiltii' 



^.7 = 



l—l 



Proceedings Royal Acad. Amsterdam. Vol. XVI. 



[To he continued). 

 74 



