id:A048168 - OEIS Search Results

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n is divisible by the square of the number of unitary divisors of n (A034444).

+0
2

1, 4, 8, 16, 32, 48, 64, 80, 96, 112, 128, 144, 160, 176, 192, 208, 224, 256, 272, 288, 304, 320, 352, 368, 384, 400, 416, 432, 448, 464, 496, 512, 544, 576, 592, 608, 640, 656, 688, 704, 736, 752, 768, 784, 800, 832, 848, 864, 896, 928, 944, 960, 976, 992 (list; graph; listen)

	OFFSET	`1,2`
	EXAMPLE	`x=2032=16*127 has 4 unitary divisors: {1,16,127,2032} and ud[ x ]^2=16 divides 2032.`
	CROSSREFS	`A034444, A046754, A048166.` `Sequence in context: A075090 A088259 A123857 this_sequence A131649 A003199 A007096` `Adjacent sequences: A048165 A048166 A048167 this_sequence A048169 A048170 A048171`
	KEYWORD	`nonn`
	AUTHOR	`Labos E. (labos(AT)ana.sote.hu)`

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Last modified July 8 18:40 EDT 2008. Contains 141013 sequences.

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