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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
OFFSET
0,3
COMMENTS
The product of the odd primes between n+1 and 2n. inclusive. - T. D. Noe, Jan 24 2007
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
KEYWORD
easy,frac,nonn
AUTHOR
Benoit Cloitre, Mar 21 2002
STATUS
approved