New posts in Generating Functions

Exponential generating function of the falling factorial

finite sum with combinatorics

Trying to solve a recurrence relation by using generating functions: $a_n=3a_{n-1} + a_{n-2}$

Generating function proof of floor identity

Find coefficient of $x^2$

Combinatorial Argument for Exponential and Logarithmic Function Being Inverse

Generating function of ordered partitions

Adjust the Fibonacci function for different initial conditions

How to Solve Advanced Recurrence Relations

Find closed formula without using induction for $\sum_{k=0}^n k^3$