Question 179
We distribute $n \ge 1$ labelled balls among nine persons $A$, $B$, $C$, $D$, $E$, $F$, $G$, $H$, $I$. Determine in how many ways it is possible to distribute the balls under the condition that $A$ gets the same number of balls as the persons $B$, $C$, $D$ and $E$ together.