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A083903 Number of divisors of n with largest digit <= 8 (base 10). 4
1, 2, 2, 3, 2, 4, 2, 4, 2, 4, 2, 6, 2, 4, 4, 5, 2, 5, 1, 6, 4, 4, 2, 8, 3, 4, 3, 6, 1, 8, 2, 6, 4, 4, 4, 8, 2, 3, 3, 8, 2, 8, 2, 6, 5, 4, 2, 10, 2, 6, 4, 6, 2, 7, 4, 8, 3, 3, 1, 12, 2, 4, 5, 7, 4, 8, 2, 6, 3, 8, 2, 11, 2, 4, 6, 5, 4, 7, 1, 10, 4, 4, 2, 12, 4, 4, 3, 8, 1, 10, 3, 5, 3, 3, 2, 11, 1, 4, 4, 9, 2, 8 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

a(n) = A083902(n) + A083895(n) = A000005(n) - A083896(n).

LINKS

Harvey P. Dale, Table of n, a(n) for n = 1..1000

MATHEMATICA

Table[Length[DeleteCases[Divisors[n], _?(Max[IntegerDigits[#]]==9&)]], {n, 110}] (* Harvey P. Dale, Nov 21 2015 *)

CROSSREFS

Cf. A054055, A000005.

Sequence in context: A025479 A093640 A320538 * A306509 A083867 A076888

Adjacent sequences:  A083900 A083901 A083902 * A083904 A083905 A083906

KEYWORD

nonn,base

AUTHOR

Reinhard Zumkeller, May 08 2003

STATUS

approved

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Last modified April 19 08:44 EDT 2019. Contains 322241 sequences. (Running on oeis4.)