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A083902 Number of divisors of n with largest digit <= 7 (base 10). 4
1, 2, 2, 3, 2, 4, 2, 3, 2, 4, 2, 6, 2, 4, 4, 4, 2, 4, 1, 6, 4, 4, 2, 7, 3, 4, 3, 5, 1, 8, 2, 5, 4, 4, 4, 7, 2, 2, 3, 7, 2, 8, 2, 6, 5, 4, 2, 8, 2, 6, 4, 6, 2, 6, 4, 6, 3, 2, 1, 12, 2, 4, 5, 6, 4, 8, 2, 5, 3, 8, 2, 9, 2, 4, 6, 4, 4, 6, 1, 8, 3, 3, 1, 10, 3, 3, 2, 6, 1, 9, 3, 5, 3, 3, 2, 9, 1, 4, 4, 9, 2, 8, 2, 7, 8 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

a(n) = A083901(n) + A083894(n) = A083903(n) - A083895(n).

LINKS

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

CROSSREFS

Cf. A054055, A000005.

Sequence in context: A038148 A141829 A111336 * A205562 A217984 A196437

Adjacent sequences:  A083899 A083900 A083901 * A083903 A083904 A083905

KEYWORD

nonn,base

AUTHOR

Reinhard Zumkeller, May 08 2003

STATUS

approved

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Last modified September 17 12:41 EDT 2019. Contains 327131 sequences. (Running on oeis4.)