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Search: id:A134227
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OFFSET
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1,2
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FORMULA
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Binomial transform of (1, 3, 2, -1, 1, -1, 1, -1, 1,...)
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EXAMPLE
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a(4) = 15 = sum of row 4 terms of triangle A134226: (1 + 2 + 8 + 4).
a(4) = 15 = (1, 3, 3, 1) dot (1, 3, 2, -1) = (1 + 9 + 6 - 1).
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CROSSREFS
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Cf. A134226.
Sequence in context: A103392 A073046 A066495 this_sequence A055999 A022945 A022443
Adjacent sequences: A134224 A134225 A134226 this_sequence A134228 A134229 A134230
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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), Oct 14 2007
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