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Search: id:A132750
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OFFSET
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0,2
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COMMENT
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Equals double binomial transform of [1, 2, -3, 7, -15, 31, -63, 127, -255,...] - Gary W. Adamson (qntmpkt(AT)yahoo.com), Jul 23 2008
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FORMULA
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A132749 as an infinite lower triangular matrix * vector [1, 2, 3,...]. Binomial transform of A065190.
Row sums of triangle A135224 - Gary W. Adamson (qntmpkt(AT)yahoo.com), Nov 23 2007
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EXAMPLE
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a(3) = 21 = (1, 3, 3, 1) dot (1, 3, 2, 5) = (1 + 9 + 6 + 5) = 21; where A065190 = (1, 3, 2, 5, 4, 7, 6, 9,...).
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CROSSREFS
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Cf. A132749, A065190.
Cf. A135224.
Sequence in context: A103040 A084861 A122498 this_sequence A048582 A069231 A076861
Adjacent sequences: A132747 A132748 A132749 this_sequence A132751 A132752 A132753
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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), Aug 28 2007
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