Fontem paginae Triangulum harmonicum inspicere

'''Triangulum harmonicum'''<ref>[http://books.google.de/books?id=8LAY0Wjz7HoC&pg=PA89&lpg=PA89&dq=triangulum+harmonicum&source=bl&ots=GPNUPtJWWI&sig=TUmVldhH1_UYlVm9_h1fbAKO71A&hl=de&ei=Sfw3TcejLYiW8QOY3PXnCA&sa=X&oi=book_result&ct=result&resnum=2&ved=0CBsQ6AEwAQ#v=onepage&q=triangulum%20harmonicum&f=false Analysis 1 Von Wolfgang Walter] {{ling|Germanice}}
</ref> [[Godefridus Guilielmus Leibnitius]] [[triangulum arithmeticum Pascalianum|triangulo arithmetico Pascaliano]] simile fecit:
* In linea numero n primus numerus a laeva et primus a dextra sunt <math>\frac1{n}</math>
* Quisque numerus est summa amborum numerorum inferiorum
<math>\begin{array}{cccccccccccccccccc}
& & & & & & & & & 1 & & & & & & & &\\
& & & & & & & & \frac{1}{2} & & \frac{1}{2} & & & & & & &\\
& & & & & & & \frac{1}{3} & & \frac{1}{6} & & \frac{1}{3} & & & & & &\\
& & & & & & \frac{1}{4} & & \frac{1}{12} & & \frac{1}{12} & & \frac{1}{4} & & & & &\\
& & & & & \frac{1}{5} & & \frac{1}{20} & & \frac{1}{30} & & \frac{1}{20} & & \frac{1}{5} & & & &\\
& & & & \frac{1}{6} & & \frac{1}{30} & & \frac{1}{60} & & \frac{1}{60} & & \frac{1}{30} & & \frac{1}{6} & & &\\
& & & \frac{1}{7} & & \frac{1}{42} & & \frac{1}{105} & & \frac{1}{140} & & \frac{1}{105} & & \frac{1}{42} & & \frac{1}{7} & &\\
& & \frac{1}{8} & & \frac{1}{56} & & \frac{1}{168} & & \frac{1}{280} & & \frac{1}{280} & & \frac{1}{168} & & \frac{1}{56} & & \frac{1}{8} &\\
& & & & &\vdots & & & & \vdots & & & & \vdots& & & & \\
\end{array}</math>

==Nota==
<references />

[[Categoria:Triangula arithmetica|Harmonicum triangulum]]