PROGaESSIONVM GENVS. 



«5p 



mls Iterum progreflio arithmetica fe proJit fecun- 

 diim ternarium crefcens; iiaccque eadem kx quoquo 

 in penultimis ct antepenultimis vt antc depreliendi- 

 tur , cx quo et has feries facillimc continu.ire licet, 



7, Circa hanc legem in tcrminis vltimis lo- 

 cum habentem dubitare aniplius non poterimus , 

 du:n ea adhuc pro numeratore 4 obrcruetur. Pari 

 ergo modo leiits eieftionis iudc creiflas repracfea- 

 lemus 



jiumerus| feries eicdionis 



notarum | pro numeratorc 4. 



o 



4- 



5 

 6 



1 

 8 



9 



10 

 II 

 12 



13 



14. 



15 

 X6 



4, I, 

 +j 3> 



45 I, 



3, a 



5) 2» I 



I, 3, <^, ? 



^» 5, 7, 3, 2 



4, S, 5, 2, I, 3) 7i <» 

 4, 8, 3, 9» ^. 5> 7> 2. r 

 4, 8, 2, 7, 3, 10, 9, I, 6, 5 



4> y, i> 



II, 7, 3, 



5, ic, 9 



4, 8, 12 5, 10, 3, I r, 7, 6, 9, 2, 1 

 4, 8, 12, 3, 9, 1,7, 2, II, IJ, 13, <J, ? 

 4. 8, 12, 2, 7, 13, 5, 1 I, 6, I. 14, 3^ i-> 9 

 + ,8.12, 1,6,11, 2, 9, I 5, 1O1 5, 3, 7, 14, 13 

 4, 8, 12, 16, 5, 10, 15,6, 13, 3, i4>9) 7, II, 2j I 

 etc. 



Hinc crgf^ Lx illj in f.ricbus ob'ique defcendentihus 

 loai.XX. Nou.Comin, K prur- 



