Generating Trees and Pattern Avoidance in Alternating Permutations
We extend earlier work of the same author to enumerate alternating permutations avoiding the permutation pattern 2143. We use a generating tree approach to construct a recursive bijection between the set A[subscript 2n](2143) of alternating permutations of length 2n avoiding 2143 and the set of stan...
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| Format: | Article |
| Language: | English |
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Electronic Journal of Combinatorics,
2014-09-18T15:57:37Z.
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| Online Access: | Get fulltext |