3 ms·
I really recommend Generatingfunctionology by Herbert Wilf https://www.math.upenn.edu/~wilf/gfologyLinked2.pdf https://www.math.upenn.edu/~wilf/gfologyLinked2.p
by stared 6y ago
I really recommend Generatingfunctionology by Herbert Wilf https://www.math.upenn.edu/~wilf/gfologyLinked2.pdf https://www.math.upenn.edu/~wilf/gfologyLinked2.pdf