A043322 Numbers having two 0's in base 3.

9, 18, 28, 29, 30, 33, 36, 45, 55, 56, 57, 60, 63, 72, 85, 86, 88, 89, 91, 92, 93, 96, 100, 101, 102, 105, 109, 110, 111, 114, 117, 126, 136, 137, 138, 141, 144, 153, 166, 167, 169, 170, 172, 173, 174, 177, 181, 182, 183, 186, 190, 191

Offset

1,1

Links

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

Mathematica

Select[Range[200], DigitCount[#, 3, 0]==2&] (* Harvey P. Dale, Dec 09 2021 *)

Crossrefs

Cf. A007089.

Sequence in context: A052489 A034033 A115552 * A071121 A157644 A107223

Adjacent sequences: A043319 A043320 A043321 * A043323 A043324 A043325

Keyword

nonn,base

Author

Clark Kimberling

Status

approved