INFINITE SERIES 



66' " 510' 



691 _ 43867 



2730 798 ' 



6' 330 



141 



6.903 Euler's Numbers 



7T 



2n+l 



1 =i, 4 = 1385, 



2 =5, 5 = 50521, 



E 3 = 61, 6 = 2702765. 

 6.904 



21 



l) (2W - 2) (2W 3) _ 

 -l T - j - -f^n-2 .... 



6.905 



2 2n ( 2 2n _ T ) ( 2 ^ - l) ( 2 - 2) ( 2 - 3 ) 



2 ^ ~ &n = (til - I)&n-l ~ , - -Ew-2 



(2 - l) (2 - 2) (2tt - 3) (2 - 4) (2W - 5) _ _ , (_ I \n-l 



6.910 



Si = e, 5*5 = 52^, 



62 = 2e, 5 6 = 2030, 



5 3 = sc, 5 7 = 877^, 



5*4 = 15^, 5 8 = 4140^. 



6.911 



c 32 - 



03 = 



C 



52 = 



64 



7T 4 + 307T 2 ~ 384 



