id:A092389 - OEIS Search Results

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a(n) is the smallest positive integer such that the product of all 1/(1-1/a(n)) is less than e, the base of natural logarithms.

+0
1

2, 4, 53, 8161, 95179274, 201183145328633251, 185888177135331365526661328509496304, 999276311297022575258979594170618811616720633706868379409096128081691360 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Based on an idea of Leroy Quet.`
	EXAMPLE	`a(3)=53 because (1/(1-1/2))(1/(1-1/4))(1/(1-1/53)) < e and (1/(1-1/2))(1/(1-1/4))(1/(1-1/52)) > e.`
	CROSSREFS	`Sequence in context: A082661 A115587 A018337 this_sequence A005274 A121234 A084574` `Adjacent sequences: A092386 A092387 A092388 this_sequence A092390 A092391 A092392`
	KEYWORD	`nonn`
	AUTHOR	`Hans Havermann (pxp(AT)rogers.com), Mar 21 2004`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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