id:A087976 - OEIS Search Results

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a(n)=A001221[A025586(n)], the number of distinct prime-factors of maximal term in 3x+1 iteration list started at n.

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0, 1, 1, 1, 1, 1, 2, 1, 2, 1, 2, 1, 2, 2, 2, 1, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 2, 2, 3, 1, 2, 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 (list; graph; listen)

	OFFSET	`1,7`
	CROSSREFS	`Cf. A001221, A025586, A087974, A087975.` `Sequence in context: A095772 A003640 A107459 this_sequence A117277 A033831 A033105` `Adjacent sequences: A087973 A087974 A087975 this_sequence A087977 A087978 A087979`
	KEYWORD	`nonn`
	AUTHOR	`Labos E. (labos(AT)ana.sote.hu), Sep 25 2003`

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.

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