A039275 Numbers whose base-3 representation has the same nonzero number of 0's and 1's.

3, 11, 15, 19, 21, 28, 30, 35, 36, 47, 51, 59, 61, 65, 69, 73, 75, 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, 247, 253, 255, 260, 266

Offset

1,1

Links

Table of n, a(n) for n=1..56.

Mathematica

Select[Range[300], DigitCount[#, 3, 1]==DigitCount[#, 3, 0]>0&] (* Harvey P. Dale, Mar 09 2014 *)

Crossrefs

Cf. A007089.

Sequence in context: A358226 A030715 A056247 * A044971 A106374 A075330

Adjacent sequences: A039272 A039273 A039274 * A039276 A039277 A039278

Keyword

nonn,base,easy

Author

Olivier Gérard

Status

approved