A105248 - OEIS

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A105248

Number of distinct prime divisors of 88...887 (with n 8s).

2, 1, 1, 2, 1, 3, 3, 1, 2, 3, 1, 3, 4, 4, 4, 4, 4, 2, 3, 3, 4, 3, 2, 3, 2, 2, 3, 5, 5, 3, 4, 2, 5, 6, 2, 5, 3, 2, 3, 3, 3, 3, 3, 4, 2, 4, 2, 5, 2, 3, 5, 3, 5, 3, 6, 4, 5, 2, 5, 4, 3, 3, 3, 4, 2, 5, 4, 4, 5, 5, 4, 5, 1, 3, 6, 4, 2, 2 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,1`
	EXAMPLE	`The number of distinct prime divisors of 87 is 2.` `The number of distinct prime divisors of 887 is 1 (prime).` `The number of distinct prime divisors of 8887 is 1 (prime).`
	CROSSREFS	`Cf. A104524, A104889.` `Sequence in context: A135062 A088428 A025838 * A076302 A104524 A128807` `Adjacent sequences: A105245 A105246 A105247 * A105249 A105250 A105251`
	KEYWORD	`nonn,base`
	AUTHOR	`Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Apr 29 2005`
	EXTENSIONS	`More terms from Brian Lauer (bel136(AT)psu.edu), Feb 23 2006`

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Last modified February 14 11:36 EST 2012. Contains 205623 sequences.