id:A051478 - OEIS Search Results

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Number of values of n satisfying phi(n)=4i+2, i>0.

+0
2

4, 2, 0, 4, 2, 0, 2, 0, 0, 4, 2, 0, 2, 2, 0, 2, 2, 0, 2, 2, 0, 0, 0, 0, 2, 2, 2, 0, 0, 0, 2, 2, 0, 2, 0, 0, 2, 0, 0, 4, 2, 0, 0, 2, 0, 0, 2, 0, 2, 0, 0, 2, 0, 0, 2, 2, 0, 0, 2, 0, 0, 2, 0, 0, 2, 0, 2, 0, 0, 2, 0, 0, 2, 0, 0, 2, 2, 0, 0, 0, 0, 2, 0, 0, 2, 2, 0, 0, 2, 0, 2, 0, 0, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Sequence consists of only 0's, 2's and 4's.`
	EXAMPLE	`phi(n)=4*1+2 has 4 solutions (n=7, 9, 14, 18), so a(1)=4.`
	CROSSREFS	`Cf. A000010, A032446, A051479.` `Sequence in context: A104689 A048819 A076114 this_sequence A121829 A021708 A016690` `Adjacent sequences: A051475 A051476 A051477 this_sequence A051479 A051480 A051481`
	KEYWORD	`nonn`
	AUTHOR	`Jud McCranie (j.mccranie(AT)comcast.net)`

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Last modified September 7 15:23 EDT 2008. Contains 143483 sequences.

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