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A145424 Decimal expansion of sum_{n=1..infinity} 1/(n*(25n^2-1)). 0
0, 4, 9, 8, 0, 8, 5, 6, 6, 7, 4, 7, 6, 3, 0, 5, 1, 6, 8, 6, 2, 7, 4, 0, 7, 0, 7, 7, 2, 0, 9, 9, 1, 3, 3, 1, 1, 8, 7, 7, 1, 5, 0, 4, 6, 0, 1, 1, 0, 0, 9, 2, 2, 0, 8, 3, 7, 0, 6, 7, 4, 9, 4, 3, 3, 3, 4, 2, 5, 2, 5, 3, 9, 6, 0, 9, 8, 7, 1, 5, 7, 4, 8, 9, 5, 3, 0, 1, 7, 8, 4, 8, 7 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

0,2

REFERENCES

Alexander Apelblat, Tables of Integrals and Series, Harri Deutsch, (1996), 4.1.26

LINKS

Table of n, a(n) for n=0..92.

EXAMPLE

0.049808566747630516862...

MAPLE

evalf(5*log(5)/4-5/2+sqrt(5)/2*log((1+sqrt(5))/2)) ;

CROSSREFS

Sequence in context: A205297 A159643 A200398 * A200394 A249272 A280630

Adjacent sequences:  A145421 A145422 A145423 * A145425 A145426 A145427

KEYWORD

cons,easy,nonn

AUTHOR

R. J. Mathar, Feb 08 2009

STATUS

approved

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Last modified October 16 16:18 EDT 2019. Contains 328101 sequences. (Running on oeis4.)