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A063590 Smallest k such that 5^k has exactly n 5's in its decimal representation. 0
1, 6, 14, 27, 30, 41, 65, 66, 54, 83, 73, 109, 102, 112, 118, 106, 187, 159, 175, 204, 209, 174, 222, 278, 234, 327, 266, 300, 369, 318, 310, 339, 350, 377, 301, 357, 426, 411, 446, 421, 434, 452, 490, 525, 494, 521, 554, 543, 514, 503 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..50.

MATHEMATICA

a = {}; Do[k = 1; While[ Count[ IntegerDigits[5^k], 5] != n, k++ ]; a = Append[a, k], {n, 1, 50} ]; a

CROSSREFS

Sequence in context: A093776 A107317 A071776 * A128806 A139596 A192035

Adjacent sequences:  A063587 A063588 A063589 * A063591 A063592 A063593

KEYWORD

base,nonn

AUTHOR

Robert G. Wilson v, Aug 10 2001

EXTENSIONS

Name corrected by Jon E. Schoenfield, Jun 26 2018

STATUS

approved

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Last modified April 5 09:46 EDT 2020. Contains 333239 sequences. (Running on oeis4.)