id:A078313 - OEIS Search Results

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Number of distinct prime factors of n*sfk(n)+1, where sfk=A007947 (square-free kernel).

+0
6

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

	OFFSET	`1,3`
	COMMENT	`a(n)=A001221(A078310(n)).`
	CROSSREFS	`Cf. A078314, A078315.` `Sequence in context: A095999 A058656 A033111 this_sequence A025827 A025826 A131456` `Adjacent sequences: A078310 A078311 A078312 this_sequence A078314 A078315 A078316`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)lhsystems.com), Nov 23 2002`

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

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