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A031485 Numbers whose base-7 representation has one fewer 0 than 6's. 0
6, 13, 20, 27, 34, 41, 43, 44, 45, 46, 47, 62, 69, 76, 83, 90, 92, 93, 94, 95, 96, 111, 118, 125, 132, 139, 141, 142, 143, 144, 145, 160, 167, 174, 181, 188, 190, 191, 192, 193, 194, 209, 216, 223, 230, 237, 239, 240, 241, 242, 243 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
MATHEMATICA
Select[Range[250], DigitCount[#, 7, 0]+1==DigitCount[#, 7, 6]&] (* Harvey P. Dale, Sep 07 2023 *)
CROSSREFS
Cf. A007093.
Sequence in context: A356059 A337141 A043417 * A004919 A172330 A017053
KEYWORD
nonn,base
AUTHOR
STATUS
approved

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Last modified February 23 18:28 EST 2024. Contains 370283 sequences. (Running on oeis4.)