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A083892 Number of divisors of n with largest digit = 5 (base 10). +0
12
0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 2, 0, 0, 0, 0, 1, 0, 0, 0, 0, 2, 0, 0, 0, 0, 2, 0, 0, 0, 0, 2, 0, 0, 0, 0, 1, 0, 0, 0, 0, 3, 0, 0, 0, 0, 3, 1, 1, 1, 1, 2, 0, 0, 0, 0, 2, 0, 0, 0, 0, 1, 0, 0, 0, 0, 2, 0, 0, 0, 0, 3, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 3, 0, 0, 0, 0, 1, 0, 0, 0, 0, 3, 0, 1, 0, 1, 4 (list; graph; listen)
OFFSET

1,15

COMMENT

a(n) = A000005(n) - A083888(n) - A083889(n) - A083890(n) - A083891(n) - A083893(n) - A083894(n) - A083895(n) - A083896(n) = A083900(n) - A083899(n).

EXAMPLE

n=125, 3 of the 4 divisors of 125 have largest digit =5:

{5,25,125}, therefore a(125)=3.

CROSSREFS

Cf. A054055, A000005, A083900.

Sequence in context: A112765 A105966 A083915 this_sequence A089814 A063100 A127475

Adjacent sequences: A083889 A083890 A083891 this_sequence A083893 A083894 A083895

KEYWORD

nonn,base

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), May 08 2003

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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