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A063602
Smallest k such that 6^k has exactly n 6's in its decimal representation.
0
1, 9, 6, 10, 45, 38, 33, 50, 58, 78, 76, 75, 64, 82, 123, 148, 160, 154, 156, 157, 166, 204, 186, 215, 234, 250, 257, 275, 202, 295, 302, 232, 330, 313, 351, 334, 395, 364, 412, 391, 417, 422, 427, 458, 481, 388, 457, 462, 558, 519
OFFSET
1,2
MATHEMATICA
a = {}; Do[k = 1; While[ Count[ IntegerDigits[6^k], 6] != n, k++ ]; a = Append[a, k], {n, 1, 50} ]; a
CROSSREFS
Sequence in context: A146486 A137907 A070164 * A180572 A182873 A180856
KEYWORD
base,nonn
AUTHOR
Robert G. Wilson v, Aug 10 2001
EXTENSIONS
Name corrected by Jon E. Schoenfield, Jun 26 2018
STATUS
approved