ai5 VEStRtEBFS 



Ergo A=:|-i^ + ^-|4l-i-^:-¥^- 



^ A S — •• *SS , 3IS7 S + SSS , 



(6u A — I? — iii— s«3--h -io^r- -,is. -i- etc. 



Vrpn A _ -^ — J^ _ '-11 -4- r^" _ . *^" . 



iilg^J •* 16 ■ iS* aO + » T^ >SI8+ IJI07I 



feu A =r -n -h^-h Tffl^ etc. := S =: o, 5 8 i .' 

 Apparet ergo fummam iftius feriei propemodum effe 

 — o, 5 8 1 : ob terminos autem negledlos aliquanto erit 

 maior: quod egregie conuenit cum infra demonftrandis, 

 vbi huius feriei fumma oftendetur effe =0,59534.739: 

 fimul vero patet, hanc mcthodum non Citis effe aptam, 

 ad fummam tam exafte definiendam. 



§. 17. Deinde alio modo rem fic tentaui : fit 

 propofita haec feries: 



12345^ 7 n «+i 



B .. . I, 2, 5, i<5, ^5, 32<?, 1957, • • ■ Pj «P4-1 

 difFerent;iae 1 , 3,11, 49,261, 1631 

 2, 8, 38, 212, 1370 

 6, 30, 174, 1158 



24,144,984 



120, 840 

 720 



cuius difTerentiarum continuarum termini primi fint 

 I, 2, 6, 24, J20, 720, etc. erit terminus exponenti 

 « refpondens 



Pz= 



