id:A068352 - OEIS Search Results

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Numbers n such that n*tau(n)>prime(4*n) where tau(n)=A000005(n).

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2520, 3360, 3600, 3780, 3960, 4200, 4320, 4620, 4680, 5040, 5280, 5400, 5460, 5544, 5760, 5880, 5940, 6048, 6120, 6240, 6300, 6480, 6552, 6600, 6720, 6840, 6930, 7020, 7140, 7200, 7392, 7560, 7800, 7920, 7980, 8064, 8160, 8190, 8280, 8316, 8400, 8568 (list; graph; listen)

	OFFSET	`1,1`
	PROGRAM	`PARI: for(n=1, 3300, if(nnumdiv(n)>prime(4n), print1(n, ", ")))`
	CROSSREFS	`Sequence in context: A045216 A131662 A069476 this_sequence A068547 A094515 A066531` `Adjacent sequences: A068349 A068350 A068351 this_sequence A068353 A068354 A068355`
	KEYWORD	`easy,nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Feb 28 2002`

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

AT&T Labs Research