A043393 Numbers whose base-7 representation contains exactly one 0.

7, 14, 21, 28, 35, 42, 50, 51, 52, 53, 54, 55, 56, 63, 70, 77, 84, 91, 99, 100, 101, 102, 103, 104, 105, 112, 119, 126, 133, 140, 148, 149, 150, 151, 152, 153, 154, 161, 168, 175, 182, 189, 197, 198, 199, 200, 201, 202, 203, 210

Offset

1,1

Links

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

Mathematica

Select[Range[250], DigitCount[#, 7, 0]==1&] (* Harvey P. Dale, Sep 26 2019 *)

Crossrefs

Cf. A007093.

Sequence in context: A085130 A080194 A206717 * A028437 A187395 A033019

Adjacent sequences: A043390 A043391 A043392 * A043394 A043395 A043396

Keyword

nonn,base

Author

Clark Kimberling

Status

approved