A070556 - OEIS

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A070556

Cototient(totient(n)).

0, 0, 1, 1, 2, 1, 4, 2, 4, 2, 6, 2, 8, 4, 4, 4, 8, 4, 12, 4, 8, 6, 12, 4, 12, 8, 12, 8, 16, 4, 22, 8, 12, 8, 16, 8, 24, 12, 16, 8, 24, 8, 30, 12, 16, 12, 24, 8, 30, 12, 16, 16, 28, 12, 24, 16, 24, 16, 30, 8, 44, 22, 24, 16, 32, 12, 46, 16, 24, 16, 46, 16, 48 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,5`
	MAPLE	`A051953 := proc(n)` `n-numtheory[phi](n) ;` `end proc:` `A070556 := proc(n)` `A051953(numtheory[phi](n)) ;` `end proc: # R. J. Mathar, Oct 13 2011`
	CROSSREFS	`a(n) = A051953(A000010(n)). Cf. A054571.` `Sequence in context: A153279 A082908 A086449 * A065295 A035685 A205509` `Adjacent sequences: A070553 A070554 A070555 * A070557 A070558 A070559`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), May 06 2002`

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Last modified February 17 23:40 EST 2012. Contains 206085 sequences.