A096405 Numbers having an equal number of zeros in their binary and ternary representations.

0, 1, 6, 7, 9, 11, 28, 45, 47, 57, 59, 60, 61, 62, 81, 83, 90, 91, 93, 95, 99, 108, 109, 110, 117, 119, 123, 171, 183, 190, 207, 219, 222, 223, 248, 303, 315, 378, 379, 381, 383, 405, 407, 411, 414, 415, 423, 447, 459, 477, 479, 488, 490, 497, 498, 499, 502, 508

Offset: 1

Author

Reinhard Zumkeller, Aug 07 2004

Keywords

• nonn
• base

Comments

A023416(a(n)) = A077267(a(n)).

Examples

			n=60: A007088(60)='111100', A007089(60)='2020': both containing two zeros, therefore 60 is a term.
		

Links

• Robert Israel, Table of n, a(n) for n = 1..10000

Crossrefs

Cf. A023416, A077267.

Programs

Maple

filter:= n -> numboccur(0,convert(n,base,2))=numboccur(0,convert(n,base,3)):
select(filter, [$0..1000]); # Robert Israel, Jan 16 2018

Mathematica

Select[Range[0,600],DigitCount[#,2,0]==DigitCount[#,3,0]&] (* Harvey P. Dale, Feb 02 2012 *)