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A154928
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Decimal expansion of Sum_{q in A001358} log(q)/q^2 over the semiprimes q = 4,6,9,...
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1
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2, 8, 3, 6, 0, 6, 8, 1, 5, 4, 0, 7, 9, 8, 0, 6, 5, 2, 2, 2, 4, 2, 5, 8, 2, 2, 2, 5, 4, 8, 2, 7, 8, 3, 3, 6, 0, 7, 9, 3, 5, 0, 5, 7, 8, 2, 3, 7, 8, 1, 4, 0, 1, 3, 4, 1, 1, 1, 1
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OFFSET
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0,1
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COMMENTS
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Semiprime analog of A136271. The absolute value of the first derivative of the semiprime zeta function at 2.
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LINKS
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FORMULA
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EXAMPLE
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Equals 0.283606815... = log(4)/16 + log(6)/36 + log(9)/81 + ....
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CROSSREFS
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KEYWORD
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AUTHOR
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STATUS
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approved
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