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A083899 Number of divisors of n with largest digit <= 4 (base 10). 4
1, 2, 2, 3, 1, 3, 1, 3, 2, 3, 2, 5, 2, 3, 2, 3, 1, 3, 1, 5, 3, 4, 2, 6, 1, 3, 2, 4, 1, 5, 2, 4, 4, 3, 1, 5, 1, 2, 3, 6, 2, 6, 2, 6, 2, 3, 1, 6, 1, 3, 2, 4, 1, 3, 2, 4, 2, 2, 1, 8, 1, 3, 3, 4, 2, 6, 1, 4, 3, 4, 1, 6, 1, 2, 2, 3, 2, 4, 1, 6, 2, 3, 1, 8, 1, 3, 2, 6, 1, 5, 2, 4, 3, 2, 1, 7, 1, 3, 4, 6, 2, 5, 2, 5, 3 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

a(n) = A083898(n) + A083891(n) = A083900(n) - A083892(n).

LINKS

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

CROSSREFS

Cf. A054055, A000005.

Sequence in context: A180257 A265576 A083040 * A190263 A144911 A233431

Adjacent sequences:  A083896 A083897 A083898 * A083900 A083901 A083902

KEYWORD

nonn,base

AUTHOR

Reinhard Zumkeller, May 08 2003

STATUS

approved

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Last modified June 7 02:48 EDT 2020. Contains 334836 sequences. (Running on oeis4.)