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

1,1

Links

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

Mathematica

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

Crossrefs

Cf. A007094.

Sequence in context: A217872 A067961 A104127 * A038484 A043021 A076287

Adjacent sequences: A043423 A043424 A043425 * A043427 A043428 A043429

Keyword

nonn,base

Author

Clark Kimberling

Status

approved