id:A072696 - OEIS Search Results

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LCM[d[n^3],d[n]], d[]=A000005.

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1, 4, 4, 21, 4, 16, 4, 20, 21, 16, 4, 84, 4, 16, 16, 65, 4, 84, 4, 84, 16, 16, 4, 40, 21, 16, 20, 84, 4, 64, 4, 48, 16, 16, 16, 441, 4, 16, 16, 40, 4, 64, 4, 84, 84, 16, 4, 260, 21, 84, 16, 84, 4, 40, 16, 40, 16, 16, 4, 336, 4, 16, 84, 133, 16, 64, 4, 84, 16, 64, 4, 420, 4, 16 (list; graph; listen)

	OFFSET	`1,2`
	EXAMPLE	`If n is square-free product of k distinct primes, then a(n)=4^k.`
	CROSSREFS	`Cf. A000005, A072695.` `Adjacent sequences: A072693 A072694 A072695 this_sequence A072697 A072698 A072699` `Sequence in context: A117857 A052923 A014433 this_sequence A075219 A088304 A131978`
	KEYWORD	`easy,nonn`
	AUTHOR	`Labos E. (labos(AT)ana.sote.hu), Jul 04 2002`

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Last modified October 13 20:18 EDT 2008. Contains 145016 sequences.

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