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Search: id:A003218
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| A003218 |
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Weights of threshold functions.
(Formerly M0719)
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+0
1
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OFFSET
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2,2
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REFERENCES
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S. Muroga, Threshold Logic and Its Applications. Wiley, NY, 1971, p. 268.
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
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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.
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MAPLE
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A003218:=-(1-4*z+2*z**3)/(-1+6*z-9*z**2+3*z**3); [Conjectured by S. Plouffe in his 1992 dissertation.]
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CROSSREFS
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Sequence in context: A099236 A130581 A051236 this_sequence A058770 A049910 A077643
Adjacent sequences: A003215 A003216 A003217 this_sequence A003219 A003220 A003221
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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