id:A039700 - OEIS Search Results

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Numbers n such that the largest power of 3 dividing n equals 3^omega(n).

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1, 3, 18, 36, 45, 63, 72, 99, 117, 144, 153, 171, 207, 225, 261, 270, 279, 288, 333, 369, 378, 387, 423, 441, 477, 531, 540, 549, 576, 594, 603, 639, 657, 702, 711, 747, 756, 801, 873, 909, 918, 927, 945, 963, 981, 1017, 1026, 1080, 1089, 1125, 1143, 1152 (list; graph; listen)

	OFFSET	`1,2`
	EXAMPLE	`omega(18)=2 and 9=3^2 is the largest power of 3 dividing 18, hence 18 is in the sequence.`
	CROSSREFS	`Cf. A023534.` `Sequence in context: A063116 A125284 A097989 this_sequence A069147 A094159 A138976` `Adjacent sequences: A039697 A039698 A039699 this_sequence A039701 A039702 A039703`
	KEYWORD	`nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Sep 04 2002`

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Last modified July 26 23:19 EDT 2008. Contains 142293 sequences.

AT&T Labs Research