id:A101628 - OEIS Search Results

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Denominator of partial sums of a certain series.

+0
2

1, 35, 210, 30030, 12012, 1293292, 6466460, 743642900, 6692786100, 6016814703900, 12033629407800, 63606326869800, 63606326869800, 784965679900201800, 784965679900201800, 258253708687166392200 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`The numerators are given in A101627.`
	FORMULA	`a(n)=denominator(s(n)) with s(n)=8sum(1/((3k-1)k(3*k+1)), k=1..n).`
	CROSSREFS	`Adjacent sequences: A101625 A101626 A101627 this_sequence A101629 A101630 A101631` `Sequence in context: A101954 A005937 A007329 this_sequence A064013 A020262 A104474`
	KEYWORD	`nonn,frac,easy`
	AUTHOR	`Wolfdieter Lang (wolfdieter.lang_AT_physik_DOT_uni-karlsruhe_DOT_de), Dec 23 2004`

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Last modified October 7 14:39 EDT 2008. Contains 144666 sequences.

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