2 ms·
This is similar to the idea of generating functions, if you would like more to read!
by kqr 6mo ago
This is similar to the idea of generating functions, if you would like more to read!
- eru 6mo agoYou might like https://www2.math.upenn.edu/~wilf/gfology2.pdf https://www2.math.upenn.edu/~wilf/gfology2.pdf