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A292875
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Expansion of the series reversion of Sum_{k>=1} x^k*k*Product_{p|k, p prime} (1 + 1/p).
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1
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1, -3, 14, -81, 528, -3708, 27388, -209739, 1650204, -13258230, 108311352, -896946048, 7512187398, -63520243398, 541511083648, -4649182740159, 40163784583752, -348870785898510, 3045109181792304, -26694854975488554, 234936349043049246, -2074958037081265050
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OFFSET
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1,2
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COMMENTS
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Reversion of g.f. for A001615 (Dedekind psi function).
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LINKS
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FORMULA
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G.f. A(x) satisfies: Sum_{k>=1} A(x)^k*k*Product_{p|k, p prime} (1 + 1/p) = x.
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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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