More statistics on permutation pairs.
Motzkin numbers of higher rank: generating function and explicit expression.
Motzkin paths and powers of continued fractions.
Motzkin paths and reduced decompositions for permutations with forbidden patterns.
Multi-ordered posets.
Multiple convolution formulae on classical combinatorial numbers.
Multiple pattern avoidance with respect to fixed points and excedances.
Multi-static enumeration of two-stack sortable permutations.
-color partition theoretic interpretations of some mock theta functions.
-color partitions with weighted differences equal to minus two.
-words over any alphabet with forbidden any 3-subwords.
-words over any alphabet without subword for fixed , and .
New bounds on the number of representation of as a binomial coefficient.
New directions in enumerative chess problems.
New Euler-Mahonian permutation statistics.
New lower bound on the number of ternary square-free words.
Nombre de factorisations d'un grand cycle (Number of factorizations of a large cycle).
Nombres de Bell et analyse -adique
Nonhomogeneous parking functions and noncrossing partitions.
Nonintersecting lattice paths on the cylinder.