id:A048108 - OEIS Search Results

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Number of unitary divisors of n (A034444) <= number of non-unitary divisors of n (A048105).

+0
2

8, 16, 24, 27, 32, 36, 40, 48, 54, 56, 64, 72, 80, 81, 88, 96, 100, 104, 108, 112, 120, 125, 128, 135, 136, 144, 152, 160, 162, 168, 176, 180, 184, 189, 192, 196, 200, 208, 216, 224, 225, 232, 240, 243, 248, 250, 252, 256, 264, 270, 272, 280, 288, 296, 297 (list; graph; listen)

	OFFSET	`0,1`
	MAPLE	with(numtheory): for n from 1 to 800 do if 2^nops(ifactors(n)[2])<=tau(n)-2^nops(ifactors(n)[2]) then printf(`%d, `, n) fi; od:
	CROSSREFS	`Complement of A048107.` `Adjacent sequences: A048105 A048106 A048107 this_sequence A048109 A048110 A048111` `Sequence in context: A122612 A078130 A062171 this_sequence A137845 A046099 A033859`
	KEYWORD	`nonn`
	AUTHOR	`njas, Labos E. (labos(AT)ana.sote.hu)`
	EXTENSIONS	`More terms from James A. Sellers (sellersj(AT)math.psu.edu), Jun 20 2000`

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Last modified October 11 09:12 EDT 2008. Contains 144832 sequences.

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