A039053 Numbers whose base-8 representation has the same number of 0's and 4's.

1, 2, 3, 5, 6, 7, 9, 10, 11, 13, 14, 15, 17, 18, 19, 21, 22, 23, 25, 26, 27, 29, 30, 31, 32, 41, 42, 43, 45, 46, 47, 49, 50, 51, 53, 54, 55, 57, 58, 59, 61, 62, 63, 68, 73, 74, 75, 77, 78, 79, 81, 82, 83, 85, 86, 87, 89, 90, 91, 93, 94, 95, 96, 105, 106, 107, 109, 110, 111

Offset

1,2

Links

Table of n, a(n) for n=1..69.

Mathematica

s048Q[n_]:=Module[{dc8=DigitCount[n, 8]}, dc8[[8]]==dc8[[4]]]; Select[ Range[120], s048Q] (* Harvey P. Dale, Oct 21 2011 *)

Crossrefs

Sequence in context: A164087 A187386 A059531 * A352675 A329974 A059557

Adjacent sequences: A039050 A039051 A039052 * A039054 A039055 A039056

Keyword

nonn,base,easy

Author

Olivier Gérard

Status

approved