id:A010553 - OEIS Search Results

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tau(tau(n)).

+0
10

1, 2, 2, 2, 2, 3, 2, 3, 2, 3, 2, 4, 2, 3, 3, 2, 2, 4, 2, 4, 3, 3, 2, 4, 2, 3, 3, 4, 2, 4, 2, 4, 3, 3, 3, 3, 2, 3, 3, 4, 2, 4, 2, 4, 4, 3, 2, 4, 2, 4, 3, 4, 2, 4, 3, 4, 3, 3, 2, 6, 2, 3, 4, 2, 3, 4, 2, 4, 3, 4, 2, 6, 2, 3, 4, 4, 3, 4, 2, 4, 2 (list; graph; listen)

	OFFSET	`1,2`
	REFERENCES	`M. Abramowitz and I. A. Stegun, eds., Handbook of Mathematical Functions, National Bureau of Standards Applied Math. Series 55, 1964 (and various reprintings), p. 840.`
	LINKS	`M. Abramowitz and I. A. Stegun, eds., Handbook of Mathematical Functions, National Bureau of Standards, Applied Math. Series 55, Tenth Printing, December 1972 [alternative scanned copy].`
	MAPLE	`with(numtheory): f := n->tau(tau(n));`
	CROSSREFS	`Cf. A000005.` `Sequence in context: A128764 A074589 A081309 this_sequence A108502 A078120 A057525` `Adjacent sequences: A010550 A010551 A010552 this_sequence A010554 A010555 A010556`
	KEYWORD	`nonn`
	AUTHOR	`njas`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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