id:A078774 - OEIS Search Results

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n*phi(n*phi(n)).

+0
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1, 2, 6, 16, 40, 24, 84, 128, 162, 160, 440, 192, 624, 336, 480, 1024, 2176, 648, 2052, 1280, 1512, 1760, 5060, 1536, 5000, 2496, 4374, 2688, 9744, 1920, 7440, 8192, 5280, 8704, 6720, 5184, 15984, 8208, 11232, 10240, 26240, 6048, 21672, 14080, 12960 (list; graph; listen)

	OFFSET	`1,2`
	EXAMPLE	`a(3)=3phi(3phi(3))=3*phi(6)=6`
	PROGRAM	`(PARI) for (n=1, 100, print1(neulerphi(neulerphi(n))", "))`
	CROSSREFS	`Sequence in context: A093041 A156616 A046209 this_sequence A129952 A057711 A111281` `Adjacent sequences: A078771 A078772 A078773 this_sequence A078775 A078776 A078777`
	KEYWORD	`nonn`
	AUTHOR	`Jon Perry (perry(AT)globalnet.co.uk), Jan 09 2003`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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