OFFSET
0,2
LINKS
Harvey P. Dale, Table of n, a(n) for n = 0..500
MATHEMATICA
a = {}; Do[k = 1; While[ Count[ IntegerDigits[3^k], 8] != n, k++ ]; a = Append[a, k], {n, 0, 50} ]; a
With[{t=3^Range[1000]}, Table[Position[t, _?(DigitCount[#, 10, 8]==n&), 1, 1], {n, 0, 50}]]//Flatten (* Harvey P. Dale, Jul 10 2017 *)
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Robert G. Wilson v, Aug 10 2001
EXTENSIONS
Name corrected by Jon E. Schoenfield, Jun 26 2018
STATUS
approved