A039356 Numbers whose base-8 representation has the same nonzero number of 6's and 7's.

55, 62, 119, 126, 183, 190, 247, 254, 311, 318, 375, 382, 391, 399, 407, 415, 423, 431, 440, 441, 442, 443, 444, 445, 454, 462, 470, 478, 486, 494, 496, 497, 498, 499, 500, 501, 567, 574, 631, 638, 695, 702, 759, 766, 823, 830, 887, 894, 903, 911, 919

Offset: 1

Author

Olivier Gérard

Keywords

• nonn
• base
• easy

Links

• Harvey P. Dale, Table of n, a(n) for n = 1..1000

Crossrefs

Cf. A007094.

Programs

Mathematica

Select[Range[1000],DigitCount[#,8,6]==DigitCount[#,8,7]>0&] (* Harvey P. Dale, Jun 01 2012 *)