A039049 Numbers whose base-7 representation has the same number of 5's and 6's.

0, 1, 2, 3, 4, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 21, 22, 23, 24, 25, 28, 29, 30, 31, 32, 41, 47, 49, 50, 51, 52, 53, 56, 57, 58, 59, 60, 63, 64, 65, 66, 67, 70, 71, 72, 73, 74, 77, 78, 79, 80, 81, 90, 96, 98, 99, 100, 101, 102, 105, 106, 107, 108, 109, 112, 113, 114

Offset

1,3

Links

Table of n, a(n) for n=1..67.

Mathematica

Select[Range[0, 200], DigitCount[#, 7, 5]==DigitCount[#, 7, 6]&] (* Harvey P. Dale, Aug 21 2016 *)

Crossrefs

Sequence in context: A326966 A326784 A047337 * A037466 A285405 A305441

Adjacent sequences: A039046 A039047 A039048 * A039050 A039051 A039052

Keyword

nonn,base,easy

Author

Olivier Gérard

Status

approved