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A068110 Denominators of coefficients in J0(i*sqrt(x))^2 power series where J0 denotes the ordinary Bessel function of order 0. +0
2
1, 2, 32, 576, 73728, 409600, 176947200, 17340825600, 1183800360960, 1725980926279680, 3451961852559360000, 39779750872350720000, 137478819014844088320000, 1858713633080692074086400 (list; graph; listen)
OFFSET

0,2

REFERENCES

Bruce Berndt, Ramanujan's Notebooks Part II, Springer-Verlag; see Hypergeometric series, p. 59.

FORMULA

J0(i*sqrt(x))^2=sum(n>=0, (2n)!/(n!)^4/2^(2n)*x^n)

CROSSREFS

Cf. A068111.

Sequence in context: A052151 A092844 A038394 this_sequence A009517 A069182 A012233

Adjacent sequences: A068107 A068108 A068109 this_sequence A068111 A068112 A068113

KEYWORD

easy,frac,nonn

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), Mar 21 2002

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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