Maths, Functionx, Mathematics, Mathematics Education, Discrete Mathematics.
Urging to write a blog about this topic was an assignment given by CSE department of Bennett University, Greater Noida, India. References https://www.math.cmu.edu/~lohp/docs/math/2011-228/mit-ocw-generating-func.pdf https://math.mit.edu/~goemans/18310S15/generating-function-notes.pdf Generating