id:A064416 - OEIS Search Results

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Number of integers q such that phiter(q)=n where phiter(n) = A064415(n).

+0
3

1, 2, 5, 11, 26, 59, 137, 312, 719, 1651, 3816, 8757, 20202, 46440 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`If 2<=n<=6, a(n)=a(n-1)+3*a(n-2)`
	CROSSREFS	`Cf. A000010, A064415.` `Sequence in context: A085945 A005469 A026787 this_sequence A006138 A124217 A095981` `Adjacent sequences: A064413 A064414 A064415 this_sequence A064417 A064418 A064419`
	KEYWORD	`nonn`
	AUTHOR	`Christian WEINSBERG (cweinsbe(AT)fr.packardbell.org), Sep 30 2001`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.