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A086242
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Decimal expansion of sum 1/(p-1)^2 over primes p.
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4
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1, 3, 7, 5, 0, 6, 4, 9, 9, 4, 7, 4, 8, 6, 3, 5, 2, 8, 7, 9, 1, 7, 2, 5, 3, 1, 3, 0, 5, 2, 2, 4, 3, 9, 6, 9, 9, 1, 7, 9, 5, 9, 9, 9, 6, 0, 1, 7, 5, 3
(list; constant; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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REFERENCES
| S. R. Finch, Mathematical Constants, Encyclopedia of Mathematics and its Applications, vol. 94, Cambridge University Press, pp. 94-98.
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LINKS
| Eric Weisstein's World of Mathematics, Prime Sums
Eric Weisstein's World of Mathematics, Prime Factor
Henri Cohen, High precision computation of Hardy-Littlewood Constants (dvi), 1998. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Dec 05 2008]
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EXAMPLE
| 1.3750649947...
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CROSSREFS
| Sequence in context: A114691 A023639 A193506 * A096627 A065084 A132742
Adjacent sequences: A086239 A086240 A086241 * A086243 A086244 A086245
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KEYWORD
| nonn,cons,hard,more
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AUTHOR
| Eric Weisstein (eric(AT)weisstein.com), Jul 13, 2003
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EXTENSIONS
| More digits copied from Cohen's paper by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Dec 05 2008
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