A063561 Smallest k such that 3^k has exactly n 6's in its decimal representation.

1, 9, 8, 19, 51, 48, 75, 34, 97, 130, 144, 194, 138, 183, 233, 208, 250, 272, 231, 294, 288, 275, 305, 322, 354, 368, 355, 382, 379, 386, 513, 505, 529, 534, 579, 539, 553, 645, 609, 620, 738, 630, 730, 619, 798, 774, 766, 828, 746, 816, 868

Offset

0,2

Links

Table of n, a(n) for n=0..50.

Mathematica

a = {}; Do[k = 1; While[ Count[ IntegerDigits[3^k], 6] != n, k++ ]; a = Append[a, k], {n, 0, 50} ]; a

Crossrefs

Sequence in context: A309657 A296615 A340446 * A068823 A264301 A251091

Adjacent sequences: A063558 A063559 A063560 * A063562 A063563 A063564

Keyword

base,nonn

Author

Robert G. Wilson v, Aug 10 2001

Extensions

Name corrected by Jon E. Schoenfield, Jun 26 2018

Status

approved