A163379 - OEIS

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A163379

phi(phi(tau(n)))

1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,16`
	COMMENTS	`a(n) = A000010(A000010(A000005(n))) = A000010(A163109(n)) = A010554(A000005(n)).`
	CROSSREFS	`Sequence in context: A050361 A072911 A053150 * A006466 A086597 A031214` `Adjacent sequences: A163376 A163377 A163378 * A163380 A163381 A163382`
	KEYWORD	`nonn`
	AUTHOR	`Jaroslav Krizek (jaroslav.krizek(AT)atlas.cz), Jul 25 2009`

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Last modified February 15 05:26 EST 2012. Contains 205694 sequences.