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Search: id:A132824
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OFFSET
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0,2
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FORMULA
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Binomial transform of [1, 1, -1, 3, -1, 3, -1, 3, -1, 3,...].
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EXAMPLE
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a(4) = 10 = sum of row 4 terms of triangle A132823: (1 + 2 + 4 + 2 + 1).
a(3) = 4 = (1, 3, 3, 1) dot (1, 1, -1, 3) = (1 + 3 -3 + 3).
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CROSSREFS
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Cf. A132823.
Sequence in context: A005304 A100088 A025244 this_sequence A078801 A002420 A112556
Adjacent sequences: A132821 A132822 A132823 this_sequence A132825 A132826 A132827
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KEYWORD
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nonn
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AUTHOR
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Gary W. Adamson (qntmpkt(AT)yahoo.com), Sep 02 2007
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