A combinatorial interpretation for the identity Sum_{k=0}^{n} binom{n}{k} Sum_{j=0}^{k} binom{k}{j}^{3}= Sum_{k=0}^{n} binom{n}{k}^{2}binom{2k}{k}
A combinatorial interpretation of Guo and Zeng's q-Faulhaber coefficients
A Combinatorial interpretation of Hofstadter's G-sequence
A Combinatorial Interpretation of j/n {kn}\choose{n+j}
A combinatorial interpretation of the Catalan transform of the Catalan numbers
A combinatorial interpretation of the eigensequence for composition
A Combinatorial Interpretation of The Numbers $6(2n)! /n! (n+2)!$
A combinatorial proof of a formula for Betti numbers of a stacked polytope
A Combinatorial proof of a result of Hetyei and Reiner on Foata-Strehl type permutation trees
A combinatorial proof of an identity for the divisor generating function
A Combinatorial Proof of Bass's Evaluations of the Ihara-Selberg Zeta Function for Graphs
A combinatorial proof of Gotzmann's persistence theorem for monomial ideals
A combinatorial proof of Guo's multi-generalization of Munarini's identity
A combinatorial proof of Postnikov's identity and a generalized enumeration of labeled trees
A combinatorial proof of Rayleigh monotonicity for graphs
A combinatorial proof of Sun's "curious" identity
A combinatorial proof of symmetry among minimal star factorizations
A combinatorial proof of the Alladi-Gordon key identity for Schur's partition theorem
A Combinatorial Proof of the Dense Hindman Theorem
A Combinatorial Proof of the Enumeration of Alternating Permutations with Given Peak Set