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A068110
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Denominators of coefficients in J0(i*sqrt(x))^2 power series where J0 denotes the ordinary Bessel function of order 0.
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1
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1, 2, 32, 576, 73728, 409600, 176947200, 17340825600, 1183800360960, 1725980926279680, 3451961852559360000, 39779750872350720000, 137478819014844088320000, 1858713633080692074086400
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OFFSET
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0,2
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REFERENCES
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Bruce Berndt, Ramanujan's Notebooks Part II, Springer-Verlag; see Hypergeometric series, p. 59.
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LINKS
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FORMULA
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J0(i*sqrt(x))^2=sum(n>=0, (2n)!/(n!)^4/2^(2n)*x^n)
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CROSSREFS
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KEYWORD
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easy,frac,nonn
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AUTHOR
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STATUS
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approved
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