Avoidance of classical patterns by catalan sequences

Keyphrases

• Generating Function 100%
• Classical Patterns 100%
• Catalan Sequence 100%
• Catalan Word 50%
• Subsequence 50%
• Closed-form Expression 50%
• Containment 50%
• Non-negative Integer 50%
• Algebraic Method 50%
• Combinatorial Method 50%
• Catalan numbers 50%
• 321-avoiding Permutations 50%

Mathematics

• Generating Function 100%
• Classical Pattern 100%
• Permutation 50%
• Subsequence 50%
• Closed Form 50%
• Nonnegative Integer 50%
• Final Section 50%