id:A104524 - OEIS Search Results

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Number of distinct prime divisors of 55...557 (with n 5s).

+0
3

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

	OFFSET	`0,1`
	EXAMPLE	`The number of distinct prime divisors of 57 is 2.` `The number of distinct prime divisors of 557 is 1 (prime).` `The number of distinct prime divisors of 5557 is 1 (prime).`
	CROSSREFS	`Cf. A104484, A104483.` `Sequence in context: A025838 A105248 A076302 this_sequence A128807 A071628 A033809` `Adjacent sequences: A104521 A104522 A104523 this_sequence A104525 A104526 A104527`
	KEYWORD	`nonn`
	AUTHOR	`Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Apr 20 2005`

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.