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A289633
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a(n) = 6 * Sum_{d|n} d * A110163(d).
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2
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-1440, 319680, -73733760, 17014849920, -3926422987200, 906079372542720, -209091033317387520, 48250806224270918400, -11134577434408058898720, 2569466177758810678838400, -592941804710481150566417280, 136829971461225574971638023680
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OFFSET
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1,1
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LINKS
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FORMULA
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EXAMPLE
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G.f.: -1440*q + 319680*q^2 - 73733760*q^3 + 17014849920*q^4 - 3926422987200*q^5 + ...
a(1) = 6 * (1 * A110163(1)) = -1440,
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CROSSREFS
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KEYWORD
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sign
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AUTHOR
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STATUS
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approved
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