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Search: id:A133914
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| 1, 3, 5, 11, 23, 44, 89, 177, 355, 711, 1420, 2841, 5683, 11367
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OFFSET
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1,2
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EXAMPLE
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a(4) = 11 = sum of row 4 terms of triangle A133913: (1 + 4 + 4 + 2).
a(4) = 11 = 2*a(3) + A133912(3) = 2*5 + 1; where A133912 = (1, 1, -1, 1, 1, -2, 1, -1,...), first finite difference row of A077001.
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CROSSREFS
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Cf. A007001, A133912, A133913.
Sequence in context: A109927 A146276 A155753 this_sequence A023223 A106086 A072828
Adjacent sequences: A133911 A133912 A133913 this_sequence A133915 A133916 A133917
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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 28 2007
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