id:A087436 - OEIS Search Results

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Number of odd prime-factors of n, counted with repetitions.

+0
7

0, 0, 1, 0, 1, 1, 1, 0, 2, 1, 1, 1, 1, 1, 2, 0, 1, 2, 1, 1, 2, 1, 1, 1, 2, 1, 3, 1, 1, 2, 1, 0, 2, 1, 2, 2, 1, 1, 2, 1, 1, 2, 1, 1, 3, 1, 1, 1, 2, 2, 2, 1, 1, 3, 2, 1, 2, 1, 1, 2, 1, 1, 3, 0, 2, 2, 1, 1, 2, 2, 1, 2, 1, 1, 3, 1, 2, 2, 1, 1, 4, 1, 1, 2, 2, 1, 2, 1, 1, 3, 2, 1, 2, 1, 2, 1, 1, 2, 3, 2, 1, 2 (list; graph; listen)

	OFFSET	`1,9`
	COMMENT	`a(n) = A001222(n) - A007814(n).`
	CROSSREFS	`Cf. A005087.` `Adjacent sequences: A087433 A087434 A087435 this_sequence A087437 A087438 A087439` `Sequence in context: A036065 A082907 A119335 this_sequence A053255 A085856 A132126`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Sep 03 2003`

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Last modified October 7 08:31 EDT 2008. Contains 144667 sequences.

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