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A083888 Number of divisors of n with largest digit = 1 (base 10). 10
1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 2, 1, 1, 1, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,10

COMMENTS

a(n) = A000005(n) - A083889(n) - A083890(n) - A083891(n) - A083892(n) - A083893(n) - A083894(n) - A083895(n) - A083896(n).

LINKS

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

EXAMPLE

n=110, 4 of the divisors of 110 {1,2,5,10,11,22,55,110} have

largest digit =1: {1,10,11,110}, therefore a(110)=4.

CROSSREFS

Cf. A054055, A000005.

Sequence in context: A287056 A098357 A165735 * A102681 A274013 A172086

Adjacent sequences:  A083885 A083886 A083887 * A083889 A083890 A083891

KEYWORD

nonn,base

AUTHOR

Reinhard Zumkeller, May 08 2003

STATUS

approved

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Last modified October 21 10:33 EDT 2018. Contains 316414 sequences. (Running on oeis4.)