How/why does this generating function approach work?
42360
Find the number of solutions of $a_0+a_1+a_2=17$ if $2\le a_0\le 5$, $3\le a_1\le 6$, $4\le a_2\le 7$.
89991
I don't understand slicing with negative bounds in Python. How is this supposed to work?
60747
Recurrence relation using substitution method
27588
Generating functions and central binomial coefficient
130820
The generating function for the Fibonacci numbers
124136
Why does the division algorithm work for converting between number bases?
96251
transforming ordinary generating function into exponential generating function
109440
How does $(12\dots n)$ and $(a\, b)$ generate $S_n$?
140265
How does the fibonacci recursive function "work"?
84289
Ordinary generating function for Bernoulli polynomial
113068
Identity of moment-generating functions
67926
$S_n$ is generated by elements of the form $(1k)$
107143
Exact function that generated the data
87880
Testing random number generation
95175
Derive the generating function: $\frac1{(1-x)^3}= \sum_{n=0}^\infty \binom{n+2}{2}x^n$
61592
Exponential generating function to find recurrence formula $a_n$
142953
How would you explain Moment Generating Function(MGF) in layman's terms?