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A099042 Number of badly sieved (A066680) divisors of n. 3
0, 1, 1, 1, 1, 2, 1, 2, 1, 2, 1, 3, 1, 2, 2, 2, 1, 3, 1, 2, 2, 2, 1, 4, 1, 2, 2, 2, 1, 4, 1, 2, 2, 2, 2, 4, 1, 2, 2, 3, 1, 3, 1, 2, 3, 2, 1, 4, 1, 3, 2, 2, 1, 4, 2, 3, 2, 2, 1, 5, 1, 2, 3, 2, 2, 3, 1, 2, 2, 4, 1, 5, 1, 2, 3, 2, 2, 3, 1, 4, 2, 2, 1, 4, 2, 2, 2, 3, 1, 6, 2, 2, 2, 2, 2, 4, 1, 3, 2, 3, 1, 3, 1, 3, 4 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,6

COMMENTS

A001221(n) <= a(n) <= A000005(n).

LINKS

Table of n, a(n) for n=1..105.

EXAMPLE

a(24) = #{2,3,8,12} = 4; A099043(24) = 2+3+8+12 = 25;

a(25) = #{5} = 1; A099043(25) = 5;

a(26) = #{2,13} = 2; A099043(26) = 2+13 = 15.

CROSSREFS

Sequence in context: A087942 A241276 A292286 * A140774 A056924 A045778

Adjacent sequences:  A099039 A099040 A099041 * A099043 A099044 A099045

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Sep 23 2004

STATUS

approved

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Last modified February 23 13:01 EST 2018. Contains 299581 sequences. (Running on oeis4.)