id:A111878 - OEIS Search Results

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a(n)=denominator(digamma(n+7/2)/2+ln(2)+euler_gamma/2)/15; a(n)=denominator(f(n+2)/15)=A111877(n+1)/5.

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1, 7, 21, 231, 3003, 3003, 51051, 969969, 969969, 22309287, 111546435, 334639305, 9704539845, 300840735195, 300840735195, 300840735195, 11131107202215, 11131107202215, 456375395290815, 19624141997505045, 19624141997505045 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`Sequence related to f(n)=1/1 + 1/3 + ... + 1/(2n+1).`
	CROSSREFS	`Cf. A025547.` `Sequence in context: A032032 A084711 A060146 this_sequence A133279 A082826 A130740` `Adjacent sequences: A111875 A111876 A111877 this_sequence A111879 A111880 A111881`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Aug 19 2005`

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.

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