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Search: id:A134871
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| 1, 2, 3, 5, 5, 8, 7, 10, 10, 12, 11, 19, 13, 16
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OFFSET
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1,2
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FORMULA
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A051731 * A071324: (1, 1, 2, 3, 4, 4, 6, 5, 7, 6,...).
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EXAMPLE
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a(4) = 5 = sum of row 4 terms of triangle A134870: (1 + 2 + 1 + 1).
a(4) = 5 = (1, 1, 0, 1) dot (1, 1, 2, 3) = (1 + 1 + 0 + 3), where (1, 1, 0, 1) = row 4 of A051731 and A071324 = (1, 1, 2, 3, 4, 4, 6, 5, 7, 6,...).
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CROSSREFS
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Cf. A134870, A071324, A051731.
Adjacent sequences: A134868 A134869 A134870 this_sequence A134872 A134873 A134874
Sequence in context: A053148 A072728 A095413 this_sequence A063914 A067284 A123339
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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), Nov 14 2007
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