id:A120083 - OEIS Search Results

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A120083

Denominators of expansion for Debye function for n=1: D(1,x).

+0
4

1, 4, 36, 1, 3600, 1, 211680, 1, 10886400, 1, 526901760, 1, 16999766784000, 1, 1120863744000, 1, 181400588328960000, 1, 97072790126247936000, 1, 16860010916664115200000, 1, 324325300906011525120000, 1 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`Numeratators are found under A120082.`
	FORMULA	`a(n)=denominator(r(n)), with r(n):=[x^n](1-x/4+sum((B(2k)/((2k+1)(2k)!))x^(2k),0,..infinity)), \|x\|<2pi. B(2k):=A000367(k)/A002445(k) (Bernoulli numbers).`
	CROSSREFS	`Sequence in context: A005026 A123745 A053426 this_sequence A110219 A162990 A092960` `Adjacent sequences: A120080 A120081 A120082 this_sequence A120084 A120085 A120086`
	KEYWORD	`nonn,easy,frac`
	AUTHOR	`Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de), Jul 20 2006`

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Last modified March 20 09:10 EDT 2010. Contains 173642 sequences.

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