A081707 - OEIS

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A081707

a(n) = tau(n) - bigomega(n) = A000005(n)- A001222(n).

1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 3, 1, 2, 2, 1, 1, 3, 1, 3, 2, 2, 1, 4, 1, 2, 1, 3, 1, 5, 1, 1, 2, 2, 2, 5, 1, 2, 2, 4, 1, 5, 1, 3, 3, 2, 1, 5, 1, 3, 2, 3, 1, 4, 2, 4, 2, 2, 1, 8, 1, 2, 3, 1, 2, 5, 1, 3, 2, 5, 1, 7, 1, 2, 3, 3, 2, 5, 1, 5, 1, 2, 1, 8, 2, 2, 2, 4, 1, 8, 2, 3, 2, 2, 2, 6, 1, 3, 3, 5, 1, 5, 1, 4, 5 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,6`
	COMMENTS	`Number of divisors of n that are not positive powers of primes (cf. A000961). - Benoit Cloitre (benoit7848c(AT)orange.fr), May 03 2003; corrected Dec 16 2008 at the suggestion of Ray Chandler.`
	CROSSREFS	`Cf. A033273(n) = tau(n) - omega(n) = A000005(n)- A001221(n).` `Sequence in context: A185147 A123529 A140747 * A008480 A168324 A179926` `Adjacent sequences: A081704 A081705 A081706 * A081708 A081709 A081710`
	KEYWORD	`nonn`
	AUTHOR	`Vladeta Jovovic (vladeta(AT)eunet.rs), Apr 03 2003`

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Last modified February 17 21:13 EST 2012. Contains 206085 sequences.