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A043417 Numbers n such that number of 6's in base 7 is 1. 0
6, 13, 20, 27, 34, 41, 42, 43, 44, 45, 46, 47, 55, 62, 69, 76, 83, 90, 91, 92, 93, 94, 95, 96, 104, 111, 118, 125, 132, 139, 140, 141, 142, 143, 144, 145, 153, 160, 167, 174, 181, 188, 189, 190, 191, 192, 193, 194, 202, 209, 216, 223 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..52.

MATHEMATICA

Select[Range[300], DigitCount[#, 7, 6]==1&] (* Harvey P. Dale, Dec 26 2018 *)

CROSSREFS

Sequence in context: A003329 A048929 A187393 * A031485 A004919 A172330

Adjacent sequences:  A043414 A043415 A043416 * A043418 A043419 A043420

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified February 17 15:32 EST 2020. Contains 331998 sequences. (Running on oeis4.)