Zeilberger, D., A proof of Julian West's conjecture that the number of two-stack-sortable permutations of length n is 2(3n)!/((n + 1)!(2n + l)!), Discrete Mathematics 102 (1992) 85-93. The Polya-Schutzenberger-Tutte methodology of weight enumeration, combined with about 10 hours of CPU time (of Map
Improper Integrals Associated with the Inverse Laplace Transforms of [ln(s2 + a2)]—n, n = 1,2
✍ Scribed by A. Apelblat; N. Kravitsky
- Publisher
- John Wiley and Sons
- Year
- 1998
- Tongue
- English
- Weight
- 170 KB
- Volume
- 78
- Category
- Article
- ISSN
- 0044-2267
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