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A078791 Expansion of Auxiliary function L(m_1)/4 in powers of m/16. 0
0, 1, 21, 740, 37310, 2460024, 200770416, 19551774528, 2213488134000, 285711909912000, 41419784380740480, 6663725042739448320, 1178209566488368028160, 227096910697908706560000 (list; graph; refs; listen; history; internal format)
OFFSET

0,3

COMMENTS

Nome q(m) = x exp(8(Sum_{n>0} a(n)x^n/n!)/(Sum_{n>=0} binomial(2n,n)^2 x^n)) where x=m/16.

REFERENCES

J. M. Borwein and P. B. Borwein, Pi and the AGM, Wiley, 1987, p. 9.

M. Abramowitz and I. A. Stegun, eds., Handbook of Mathematical Functions, National Bureau of Standards Applied Math. Series 55, 1964 (and various reprintings), p. 591.

LINKS

M. Abramowitz and I. A. Stegun, eds., Handbook of Mathematical Functions, National Bureau of Standards, Applied Math. Series 55, Tenth Printing, 1972 [alternative scanned copy].

FORMULA

E.g.f.: L(m_1)= K(m)/pi log(16/m)-K(m_1)= 4 Sum_{n>0}a(n)(m/16)^n/n!.

PROG

(PARI) a(n)=if(n<0, 0, sum(k=1, n, 1/(2*k-1)/k)/4*(2*n)!^2/n!^3)

CROSSREFS

Cf. A005797.

Sequence in context: A187359 A009167 A012479 * A201069 A143002 A062755

Adjacent sequences:  A078788 A078789 A078790 * A078792 A078793 A078794

KEYWORD

nonn,easy

AUTHOR

Michael Somos, Dec 05, 2002

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Last modified February 17 04:58 EST 2012. Contains 205985 sequences.