id:A104659 - OEIS Search Results

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Number of distinct prime divisors of 44...441 (with n 4s).

+0
3

1, 2, 1, 2, 2, 2, 2, 4, 2, 1, 5, 3, 2, 6, 3 (list; graph; listen)

	OFFSET	`1,2`
	EXAMPLE	`The number of distinct prime divisors of 41 is 1 (prime).` `The number of distinct prime divisors of 441 is 2.` `The number of distinct prime divisors of 4441 is 1 (prime).`
	CROSSREFS	`Cf. A104564, A104517.` `Adjacent sequences: A104656 A104657 A104658 this_sequence A104660 A104661 A104662` `Sequence in context: A030371 A029550 A091110 this_sequence A077197 A117173 A103858`
	KEYWORD	`nonn`
	AUTHOR	`Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Apr 21 2005`

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Last modified October 6 12:54 EDT 2008. Contains 144667 sequences.