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A086240 Decimal expansion of Sum_{k>=2} (p mod 4 - 2)/p^2 where p=prime(k). 0
0, 9, 4, 6, 1, 9, 8, 9, 2, 8, 9, 2, 9, 5, 0, 1, 5, 7, 9, 4, 5, 1, 8, 6, 7, 9, 0, 1, 4, 9, 1, 7, 4, 8, 0, 9, 6, 0, 1, 8, 8, 0, 3, 4, 0, 2, 4, 9, 7, 2, 1, 3, 5, 7, 1, 4, 8, 5, 9, 6, 0, 8, 5, 7, 5, 9, 4, 3, 1, 3, 7, 3, 2, 7, 5, 6, 2, 5, 5 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

0,2

REFERENCES

S. R. Finch, Mathematical Constants, Encyclopedia of Mathematics and its Applications, vol. 94, Cambridge University Press, pp. 94-98

LINKS

Table of n, a(n) for n=0..78.

R. J. Mathar, Table of Dirichlet L-series and Prime Zeta Modulo functions for small moduli, arXiv:1008.2547 [math.NT], variable S(m=4,s=2,r=2).

Eric Weisstein's World of Mathematics, Prime Sums

EXAMPLE

0.094619892892950157945186790149174809601880340249721357148596...

CROSSREFS

Sequence in context: A016630 A213614 A099281 * A288240 A289267 A197155

Adjacent sequences:  A086237 A086238 A086239 * A086241 A086242 A086243

KEYWORD

nonn,cons,hard,more

AUTHOR

Eric W. Weisstein, Jul 13 2003

EXTENSIONS

A missing digit inserted and more digits added by R. J. Mathar, Jul 28 2010

STATUS

approved

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Last modified September 24 04:27 EDT 2017. Contains 292403 sequences.