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Search: id:A004129
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| A004129 |
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Number of solutions to postage stamp problem.
(Formerly M2525)
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+0
1
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| 1, 3, 6, 9, 13, 17, 22, 27, 33, 40, 47, 56, 65
(list; graph; listen)
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OFFSET
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2,2
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REFERENCES
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R. L. Graham and N. J. A. Sloane, On Additive Bases and Harmonious Graphs, SIAM J. Algebraic and Discrete Methods, 1 (1980), 382-404.
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LINKS
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S. Plouffe, Approximations de S\'{e}ries G\'{e}n\'{e}ratrices et Quelques Conjectures}, Dissertation, Universit\'{e} du Qu\'{e}bec \`{a} Montr\'{e}al, 1992.
S. Plouffe, 1031 Generating Functions and Conjectures, Universit\'{e} du Qu\'{e}bec \`{a} Montr\'{e}al, 1992.
R. L. Graham and N. J. A. Sloane, On Additive Bases and Harmonious Graphs
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MAPLE
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A004129:=(z**4+z**3+2*z**2+2*z+1)*(z**2+z+1)/(z-1)/(z**5+z**4+z**3-z-1); [Conjectured by S. Plouffe in his 1992 dissertation.]
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CROSSREFS
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Sequence in context: A025205 A024190 A004116 this_sequence A004137 A080060 A004131
Adjacent sequences: A004126 A004127 A004128 this_sequence A004130 A004131 A004132
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KEYWORD
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nonn
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AUTHOR
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njas
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