id:A033557 - OEIS Search Results

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2n - {largest prime < n}.

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	OFFSET	`3,1`
	MAPLE	`f := n->2*n-prevprime(n); [ seq(f(i), i=3..60) ];`
	CROSSREFS	`A049711(n) + n.` `Sequence in context: A021690 A109896 A004221 this_sequence A088298 A075992 A022294` `Adjacent sequences: A033554 A033555 A033556 this_sequence A033558 A033559 A033560`
	KEYWORD	`nonn`
	AUTHOR	`njas`

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Last modified July 6 17:22 EDT 2008. Contains 140988 sequences.

AT&T Labs Research