Counting Pattern-free Set Partitions I: A Generalization of Stirling Numbers of the Second Kind

The Art of Computer Programming

G.E. Whitesides · Nuclear Science and Engineering · 1970 · 6.1K citations

Engineering, Program Analysis, Automated Reasoning +8

Symmetric functions and P-recursiveness

Ira M. Gessel · Journal of Combinatorial Theory Series A · 1990 · 380 citations

Symmetric Function, Recursive Function, Symmetric Functions +1

Restricted Permutations

Rodica Simion, Frank Schmidt · European Journal of Combinatorics · 1985 · 347 citations

The theory of well-quasi-ordering: A frequently discovered concept

Joseph B. Kruskal · Journal of Combinatorial Theory Series A · 1972 · 329 citations

Order Theory, Partially Ordered Set, Well-founded Semantics

Differentiably Finite Power Series

Richard P. Stanley · European Journal of Combinatorics · 1980 · 325 citations

Analytic Combinatorics, Pade Approximant, Analytic Number Theory +1