id:A070324 - OEIS Search Results

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Max( sigma(k) : k=1,2,3,...,n ).

+0
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1, 3, 4, 7, 7, 12, 12, 15, 15, 18, 18, 28, 28, 28, 28, 31, 31, 39, 39, 42, 42, 42, 42, 60, 60, 60, 60, 60, 60, 72, 72, 72, 72, 72, 72, 91, 91, 91, 91, 91, 91, 96, 96, 96, 96, 96, 96, 124, 124, 124, 124, 124, 124, 124, 124, 124, 124, 124, 124, 168, 168, 168, 168, 168, 168 (list; graph; listen)

	OFFSET	`1,2`
	FORMULA	`lim n -> infinity (1/n^2)*sum(i=1, n, a(i))=C=1, 2...`
	PROGRAM	`(PARI) a(n)=vecmax(vector(n, k, sigma(k)))`
	CROSSREFS	`Sequence in context: A023849 A162431 A024605 this_sequence A054155 A054058 A056007` `Adjacent sequences: A070321 A070322 A070323 this_sequence A070325 A070326 A070327`
	KEYWORD	`easy,nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), May 11 2002`

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

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