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A095960 Number of divisors of n that are less than the squarefree kernel of n. 2
0, 1, 1, 1, 1, 3, 1, 1, 1, 3, 1, 4, 1, 3, 3, 1, 1, 3, 1, 4, 3, 3, 1, 4, 1, 3, 1, 4, 1, 7, 1, 1, 3, 3, 3, 4, 1, 3, 3, 5, 1, 7, 1, 4, 4, 3, 1, 4, 1, 3, 3, 4, 1, 3, 3, 5, 3, 3, 1, 10, 1, 3, 4, 1, 3, 7, 1, 4, 3, 7, 1, 4, 1, 3, 3, 4, 3, 7, 1, 5, 1, 3, 1, 10, 3, 3, 3, 5, 1, 9, 3, 4, 3, 3, 3, 4, 1, 3, 4, 4, 1, 7 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,6

COMMENTS

a(A005117(n))=A032741(A005117(n)); a(A000040(n))=1.

LINKS

Reinhard Zumkeller, Table of n, a(n) for n = 1..10000

EXAMPLE

n=40=5*2^3, rad(40)=10: a(40)=#{d:d<10}=#{1,2,4,5,8}=5.

PROG

(Haskell)

a095960 n = length [x | x <- a027750_row n, x < a007947 n]

-- Reinhard Zumkeller, Sep 10 2013

CROSSREFS

Cf. A007947, A000005.

Cf. A027750, A073180.

Sequence in context: A243915 A090176 A102396 * A316314 A183093 A183096

Adjacent sequences:  A095957 A095958 A095959 * A095961 A095962 A095963

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Jul 14 2004

STATUS

approved

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Last modified April 26 12:00 EDT 2019. Contains 322472 sequences. (Running on oeis4.)