Wilf Zeilberger Pair: Function (Mathematics), Binomial Coefficient, Factorial

Generalized Hypergeometric Function: Mathematics, Coefficient, Rational Function

Vandermonde's Identity: Combinatorics, Mathematics, Alexandre Théophile Vandermonde, Binomial Coefficient, Chinese Mathematics

Combinatorial Explosion: Mathematics, Function (mathematics), Combinatorial, Factorial, Ackermann function, Intractability, Curse of dimensionality

Elementary Function: function, Mathematics, Function (mathematics), Exponential Logarithm, Coefficient, Variable ... composition,...