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Search: id:A054722
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| A054722 |
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Triangle of coefficients of polynomials arising in enumeration of periodic sequences. |
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+0
1
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| 1, 1, 1, 1, 1, 1, 1, 2, 3, 1, 1, 2, 5, 3, 1, 1, 3, 13, 18, 7, 1
(list; table; graph; listen)
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OFFSET
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0,8
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REFERENCES
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E. N. Gilbert and J. Riordan, Symmetry types of periodic sequences, Illinois J. Math., 5 (1961), 657-665.
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EXAMPLE
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1; 1,1; 1,1,1; 1,2,3,1; ...
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CROSSREFS
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Sequence in context: A123338 A152735 A046226 this_sequence A067627 A077233 A123185
Adjacent sequences: A054719 A054720 A054721 this_sequence A054723 A054724 A054725
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KEYWORD
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nonn,tabl
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com), Apr 20 2000
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