A 
-multinomial
coefficient is a q-analog of the multinomial
coefficient, defined as
![([a_1+...+a_n]_q!)/([a_1]_q!...[a_n]_q!),](/images/equations/q-MultinomialCoefficient/NumberedEquation1.svg) |
where ![[n]_q!](/images/equations/q-MultinomialCoefficient/Inline2.svg)
is a 
-factorial.
q-Multinomial Coefficient
See also
Multinomial Coefficient, Zeilberger-Bressoud TheoremExplore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "q-Multinomial Coefficient." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/q-MultinomialCoefficient.html