id:A068565 - OEIS Search Results

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Denominators of sum(k=1,n,1/k/2^k).

+0
2

2, 8, 3, 192, 960, 1920, 1680, 215040, 645120, 64512, 1419264, 11354112, 147603456, 295206912, 46126080, 47233105920, 802962800640, 802962800640, 15256293212160, 61025172848640, 61025172848640, 122050345697280 (list; graph; listen)

	OFFSET	`1,1`
	FORMULA	`sum(k=>1, 1/k/2^k)=ln(2)`
	CROSSREFS	`Cf. A068566.` `Sequence in context: A083003 A126951 A076588 this_sequence A092042 A021356 A030345` `Adjacent sequences: A068562 A068563 A068564 this_sequence A068566 A068567 A068568`
	KEYWORD	`easy,frac,nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Mar 25 2002`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

AT&T Labs Research