A044976 Numbers whose base-3 representation contains exactly two 0's and one 1.

9, 29, 33, 45, 55, 57, 63, 89, 101, 105, 137, 141, 153, 167, 169, 173, 177, 181, 183, 191, 195, 207, 217, 219, 225, 269, 305, 317, 321, 413, 425, 429, 461, 465, 477, 503, 509, 511, 521, 533, 537, 545, 547, 551, 555, 559, 561, 575

Offset

1,1

Links

Table of n, a(n) for n=1..48.

Mathematica

Select[Range[600], DigitCount[#, 3, 0]==2&&DigitCount[#, 3, 1]==1&] (* Harvey P. Dale, Jun 18 2025 *)

Crossrefs

Cf. A007089.

Sequence in context: A024121 A205144 A258483 * A002642 A032700 A322946

Adjacent sequences: A044973 A044974 A044975 * A044977 A044978 A044979

Keyword

nonn,base

Author

Clark Kimberling

Status

approved