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Length of terminal cycle if unitary-proper-divisor-sum function f[x]=A063919[x] is iterated and the initial value is n.

+0
1

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

	OFFSET	`1,30`
	EXAMPLE	`n=1506: iteration-list={1506, 1518, 1938, 2382, 2394, 2406, [2418, ...., 3582, 2418}. After a transient of length 6 the iteration ends in a cycle of length 14: a[1506]=14.`
	CROSSREFS	`Cf. A002187, A063919, a063991, A097024, A097030-A097037.` `Sequence in context: A103756 A103755 A093818 this_sequence A120263 A030580 A030579` `Adjacent sequences: A097028 A097029 A097030 this_sequence A097032 A097033 A097034`
	KEYWORD	`nonn`
	AUTHOR	`Labos E. (labos(AT)ana.sote.hu), Aug 30 2004`

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Last modified December 20 00:58 EST 2009. Contains 171054 sequences.

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