A043426 Numbers having two 1's in base 8.

9, 65, 72, 74, 75, 76, 77, 78, 79, 81, 89, 97, 105, 113, 121, 137, 201, 265, 329, 393, 457, 513, 520, 522, 523, 524, 525, 526, 527, 529, 537, 545, 553, 561, 569, 576, 578, 579, 580, 581, 582, 583, 592, 594, 595, 596, 597, 598, 599

Offset: 1

Author

Clark Kimberling

Keywords

• nonn
• base

Links

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

Crossrefs

Cf. A007094.

Programs

Mathematica

Select[Range[600],DigitCount[#,8,1]==2&] (* Harvey P. Dale, Feb 26 2020 *)