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Search: id:A153757
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| 1, 2, 4, 10, 40, 280, 340, 68920, 2296600, 124819000, 11029312600
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OFFSET
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1,2
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COMMENT
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A153758 = partial sums of A153757 terms, = (1, 3, 7, 17, 57, 337, 3737,...).
Equals A000012 * A003266, where A000012 = the partial sum operator as an infinite lower triangular matrix.
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FORMULA
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Partial sums of A003266 terms.
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EXAMPLE
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a(4) = 10 = (1 + 1 + 2 + 6), where A003266 = (1, 1, 2, 6, 30, 240, 3120,...).
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CROSSREFS
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A003266, A153758
Sequence in context: A111022 A086852 A084737 this_sequence A159860 A013549 A125805
Adjacent sequences: A153754 A153755 A153756 this_sequence A153758 A153759 A153760
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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), Dec 31 2008
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