OFFSET
1,2
LINKS
Harvey P. Dale, Table of n, a(n) for n = 1..1000
FORMULA
MATHEMATICA
Table[Count[Divisors[n], _?(Total[Most[Drop[DigitCount[#], 3]]]==0&)], {n, 120}] (* Harvey P. Dale, Dec 21 2018 *)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Reinhard Zumkeller, May 08 2003
STATUS
approved