A039000 Numbers whose base-3 representation has the same number of 0's and 1's.

2, 3, 8, 11, 15, 19, 21, 26, 28, 30, 35, 36, 47, 51, 59, 61, 65, 69, 73, 75, 80, 86, 88, 92, 96, 100, 102, 107, 110, 114, 126, 136, 138, 143, 144, 155, 159, 166, 172, 174, 179, 185, 187, 190, 192, 197, 198, 209, 213, 221, 223, 227, 231, 235, 237, 242, 247, 253

Offset: 1

Author

Olivier Gérard

Keywords

• nonn
• base
• easy

Links

• Daniel Starodubtsev, Table of n, a(n) for n = 1..10000

Crossrefs

Cf. A007089, A077267, A062756.

Programs

Mathematica

Select[Range[300],DigitCount[#,3,0]==DigitCount[#,3,1]&] (* Harvey P. Dale, Sep 04 2020 *)