id:A068566 - OEIS Search Results

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Numerator of sum_{k=1..n} 1/(k*2^k).

+0
2

1, 5, 2, 131, 661, 1327, 1163, 148969, 447047, 44711, 983705, 7869871, 102309709, 204620705, 31972079, 32739453941, 556571077357, 556571247527, 10574855234543, 42299423848079, 42299425233749, 84598851790183 (list; graph; listen)

	OFFSET	`1,2`
	FORMULA	`Sum_{k>=1} 1/(k*2^k) = ln(2).`
	CROSSREFS	`Cf. A068565.` `Sequence in context: A095998 A099612 A142599 this_sequence A046270 A139207 A137237` `Adjacent sequences: A068563 A068564 A068565 this_sequence A068567 A068568 A068569`
	KEYWORD	`easy,frac,nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Mar 25 2002`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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