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Search: id:A134350
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| 1, 7, 23, 67, 191, 547, 1583, 4627, 13631, 40387, 120143, 358387, 1071071, 3205027
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OFFSET
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1,2
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FORMULA
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Binomial transform of A134350, and double binomial transform of [1, 5, -1, 5, -1, 5, -1, 5,...].
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EXAMPLE
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a(3) = 23 = sum of row 3 terms of triangle A134349: (2 + 8 + 13).
a(3) = 23 = (1, 2, 1) dot (1, 6, 10) = (1 + 12 + 10), where A134351 = (1, 6, 10, 128, 34, 66,...).
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CROSSREFS
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Cf. A134349, A134351.
Sequence in context: A114246 A048457 A048458 this_sequence A005342 A139852 A141194
Adjacent sequences: A134347 A134348 A134349 this_sequence A134351 A134352 A134353
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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 21 2007
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