English Dictionary

To study the number of labelled trees on n vertices, combinatorialists often consider the exponential generating function whose coefficients are the terms of the sequence divided by factorials.

n頂点のラベル付き木の個数を調べるため、組合せ論者はしばしば、その係数が階乗で割られた項からなる一変数の形式的べき級数、すなわち指数生成関数を考える。