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A323267
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The sequence denoted by q_n used in the calculation of A323260.
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0
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0, 0, 0, 1, 5, 19, 82, 324, 1328, 5367, 21809, 88463, 359056, 1457052, 5913112, 23996513, 97382945, 395199883, 1603802802, 6508562056, 26413086624, 107189749111, 434998095205, 1765311927087, 7163999648656, 29072987143064, 117984174051328, 478804095978481, 1943085707636701, 7885442290344115
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OFFSET
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1,5
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LINKS
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FORMULA
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Van'kov and Zhuravlyov give recurrences.
G.f.: x^4*(1+2*x-2*x^2+x^3)/(x^5-7*x^4+5*x^3+3*x^2-5*x+1)/(1+x)^2 . - R. J. Mathar, Jan 11 2019
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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