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%I #13 Mar 13 2023 04:46:20
%S 1,1,3,5,35,7,77,143,143,2431,46189,4199,96577,7429,7429,215441,
%T 6678671,392863,392863,765049,765049,31367009,1348781387,58642669,
%U 2756205443,2756205443,2756205443,146078888479,146078888479,5037203051
%N Numerators of coefficients in J0(i*sqrt(x))^2, where J0 denotes the ordinary Bessel function of order 0.
%C The product of the odd primes between n+1 and 2n. inclusive. - _T. D. Noe_, Jan 24 2007
%H T. D. Noe, <a href="/A068111/b068111.txt">Table of n, a(n) for n=0..250</a>
%F J0(i*sqrt(y))^2=sum(n>=0, (2n)!/(n!)^4/2^(2n)*y^n)
%Y Cf. A068110.
%K easy,frac,nonn
%O 0,3
%A _Benoit Cloitre_, Mar 21 2002
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