A039057 Numbers whose base-8 representation has the same number of 1's and 3's.

0, 2, 4, 5, 6, 7, 11, 16, 18, 20, 21, 22, 23, 25, 32, 34, 36, 37, 38, 39, 40, 42, 44, 45, 46, 47, 48, 50, 52, 53, 54, 55, 56, 58, 60, 61, 62, 63, 67, 83, 88, 90, 92, 93, 94, 95, 99, 107, 115, 123, 128, 130, 132, 133, 134, 135, 139, 144, 146, 148, 149, 150, 151, 153

Offset

1,2

Links

Table of n, a(n) for n=1..64.

Mathematica

Select[Range[0, 200], DigitCount[#, 8, 1]==DigitCount[#, 8, 3]&] (* Harvey P. Dale, Aug 27 2021 *)

Crossrefs

Sequence in context: A070116 A246965 A300861 * A317185 A276005 A092058

Adjacent sequences: A039054 A039055 A039056 * A039058 A039059 A039060

Keyword

nonn,base,easy

Author

Olivier Gérard

Status

approved