564 Prof. I. J. Schwatt on the 



From (13) follows 





or 



Vk+Y 



Q 2 «+i= S (-1)^^ o J 2 (-1) a ^ ^ }m K _ 2 fi-* 



Let « be odd, then 



c + 1-2/3 



Q 2K+1 = Z( — 1)W^ q J Z (—1) a I ^ J«Vk-2/3-« 



+I(-»*C , t , )i<-irv«CJft 1 )"^ 



+ |- 1 )-„.«ft I )-i;(-.)-(";?t , )».-.-..(" ) 



Changing in the second double summation a into a — 1, 

 and /5 into /3 — 1 in the third double summation, we have 



k+1-2/3 



Q,.+i=2(-l)W X (-l)V T^ W +1 _ 2 ,-* 



+Ic-wT'-^GJD('f 1 )*«— 



+.2(-l)W 2 (-l)Yf7 W +I _*_. . (18) 



= a-0 \ P / 



