A068111 - OEIS

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A068111

Numerators of coefficients in J0(i*sqrt(x))^2, where J0 denotes the ordinary Bessel function of order 0.

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; 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(isqrt(y))^2=sum(n>=0, (2n)!/(n!)^4/2^(2n)y^n)`
	CROSSREFS	`Cf. A068110.` `Sequence in context: A199774 A103010 A187993 * A162444 A052468 A055786` `Adjacent sequences: A068108 A068109 A068110 * A068112 A068113 A068114`
	KEYWORD	`easy,frac,nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Mar 21 2002`

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Last modified February 16 19:05 EST 2012. Contains 205944 sequences.