id:A068351 - OEIS Search Results

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Numbers n such that n*tau(n)>prime(3*n) where tau(n)=A000005(n).

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720, 840, 900, 960, 1008, 1080, 1200, 1260, 1320, 1440, 1512, 1560, 1584, 1620, 1680, 1800, 1848, 1872, 1890, 1920, 1980, 2016, 2040, 2100, 2160, 2184, 2280, 2310, 2340, 2376, 2400, 2520, 2640, 2688, 2700, 2730, 2760, 2772, 2808, 2856, 2880, 2940 (list; graph; listen)

	OFFSET	`1,1`
	PROGRAM	`PARI: for(n=1, 3300, if(nnumdiv(n)>prime(3n), print1(n, ", ")))`
	CROSSREFS	`Sequence in context: A145226 A056467 A056457 this_sequence A067892 A137493 A067808` `Adjacent sequences: A068348 A068349 A068350 this_sequence A068352 A068353 A068354`
	KEYWORD	`easy,nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Feb 28 2002`

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

AT&T Labs Research