A proof of Julian West's conjecture that the number of two-stacksortable permutations of length n is 2(3n)!/((n + 1)!(2n + 1)!)-Reference-Cited by-同舟云学术

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A proof of Julian West's conjecture that the number of two-stacksortable permutations of length n is 2(3n)!/((n + 1)!(2n + 1)!)

Published:1992-05 Issue:1 Volume:102 Page:85-93
ISSN:0012-365X
Container-title:Discrete Mathematics
language:en
Short-container-title:Discrete Mathematics

Author:

Zeilberger Doron

Publisher

Elsevier BV

Subject

Discrete Mathematics and Combinatorics,Theoretical Computer Science

Reference7 articles.

1. I. Gessel and D. Zeilberger, An empirical method for solving (rigorously) algebraic-functional equations of the form F(P(x,t), P(x, 1), x, t) ≡ 0 (temporary title), in planning.

2. On picture writing;Polya;Amer. Math. Monthly,1956

3. Classical Papers in Combinatorics,1987

4. Context free languages and pushdown automata;Schutzenberger;Inform. and Control,1963

5. On the theory of chromatic polynomials;Tutte;Canad. J. Math.,1954

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