id:A111877 - OEIS Search Results

Search: id:A111877

Displaying 1-1 of 1 results found.

page 1

Sequence related to f(n)=1/1 + 1/3 + ... + 1/(2n+1).

+0
2

1, 5, 35, 105, 1155, 15015, 15015, 255255, 4849845, 4849845, 111546435, 557732175, 1673196525, 48522699225, 1504203675975, 1504203675975, 1504203675975, 55655536011075, 55655536011075, 2281876976454075, 98120709987525225 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`a(n)=denominator(digamma(n+5/2)/2+ln(2)+euler_gamma/2)/3; a(n)=denominator(f(n+1)/3).`
	CROSSREFS	`Cf. A025547.` `Sequence in context: A090294 A162540 A161199 this_sequence A053126 A096743 A026697` `Adjacent sequences: A111874 A111875 A111876 this_sequence A111878 A111879 A111880`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Aug 19 2005`

page 1

Search completed in 0.002 seconds

Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

AT&T Labs Research