A039009 Numbers whose base-5 representation has the same number of 0's and 3's.

1, 2, 4, 6, 7, 9, 11, 12, 14, 15, 21, 22, 24, 28, 31, 32, 34, 36, 37, 39, 40, 46, 47, 49, 53, 56, 57, 59, 61, 62, 64, 65, 71, 72, 74, 76, 77, 79, 80, 85, 95, 103, 106, 107, 109, 111, 112, 114, 115, 121, 122, 124, 133, 138, 141, 142, 144, 148, 153, 156, 157, 159, 161

Offset: 1

Author

Olivier Gérard

Keywords

• nonn
• base
• easy

Links

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

Crossrefs

Cf. A007091.

Programs

Mathematica

Select[Range[200],DigitCount[#,5,0]==DigitCount[#,5,3]&] (* Harvey P. Dale, Dec 10 2015 *)