A symmetric functions approach to Stockhausen's problem
The electronic journal of combinatorics, Tome 3 (1996) no. 1
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We consider problems in sequence enumeration suggested by Stockhausen's problem, and derive a generating series for the number of sequences of length $k$ on $n$ available symbols such that adjacent symbols are distinct, the terminal symbol occurs exactly $r$ times, and all other symbols occur at most $r-1$ times. The analysis makes extensive use of techniques from the theory of symmetric functions. Each algebraic step is examined to obtain information for formulating a direct combinatorial construction for such sequences.
DOI : 10.37236/1231
Classification : 05A15, 05E05
Mots-clés : sequence enumeration, symmetric functions
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     author = {Lily Yen},
     title = {A symmetric functions approach to {Stockhausen's} problem},
     journal = {The electronic journal of combinatorics},
     year = {1996},
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     doi = {10.37236/1231},
     zbl = {0852.05007},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/1231/}
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Lily Yen. A symmetric functions approach to Stockhausen's problem. The electronic journal of combinatorics, Tome 3 (1996) no. 1. doi: 10.37236/1231

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