A039351 Numbers whose base-8 representation has the same nonzero number of 4's and 5's.

37, 44, 101, 108, 165, 172, 229, 236, 261, 269, 277, 285, 296, 297, 298, 299, 302, 303, 309, 317, 324, 332, 340, 348, 352, 353, 354, 355, 358, 359, 372, 380, 421, 428, 485, 492, 549, 556, 613, 620, 677, 684, 741, 748, 773, 781, 789, 797, 808, 809, 810

Offset: 1

Author

Olivier Gérard

Keywords

• nonn
• base
• easy

Links

• Vincenzo Librandi, Table of n, a(n) for n = 1..1000

Crossrefs

Cf. A007094.

Programs

Mathematica

Select[Range[900],DigitCount[#,8,4]==DigitCount[#,8,5]>0&] (* Harvey P. Dale, Oct 03 2013 *)