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A068111 Numerators of coefficients in J0(i*sqrt(x))^2, where J0 denotes the ordinary Bessel function of order 0. 5
1, 1, 3, 5, 35, 7, 77, 143, 143, 2431, 46189, 4199, 96577, 7429, 7429, 215441, 6678671, 392863, 392863, 765049, 765049, 31367009, 1348781387, 58642669, 2756205443, 2756205443, 2756205443, 146078888479, 146078888479, 5037203051 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

The product of the odd primes between n+1 and 2n. inclusive. - T. D. Noe, Jan 24 2007

LINKS

T. D. Noe, Table of n, a(n) for n=0..250

FORMULA

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

CROSSREFS

Cf. A068110.

Sequence in context: A222630 A187993 A221158 * A162444 A305858 A261659

Adjacent sequences:  A068108 A068109 A068110 * A068112 A068113 A068114

KEYWORD

easy,frac,nonn

AUTHOR

Benoit Cloitre, Mar 21 2002

STATUS

approved

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Last modified October 15 10:46 EDT 2019. Contains 328026 sequences. (Running on oeis4.)