A039213 Numbers whose base-12 representation has the same number of 0's and 4's.

1, 2, 3, 5, 6, 7, 8, 9, 10, 11, 13, 14, 15, 17, 18, 19, 20, 21, 22, 23, 25, 26, 27, 29, 30, 31, 32, 33, 34, 35, 37, 38, 39, 41, 42, 43, 44, 45, 46, 47, 48, 61, 62, 63, 65, 66, 67, 68, 69, 70, 71, 73, 74, 75, 77, 78, 79, 80, 81, 82, 83, 85, 86, 87, 89, 90, 91, 92, 93, 94

Offset

1,2

Links

Table of n, a(n) for n=1..70.

Mathematica

Select[Range[100], DigitCount[#, 12, 0]==DigitCount[#, 12, 4]&] (* Harvey P. Dale, May 15 2019 *)

Crossrefs

Sequence in context: A047588 A213257 A367401 * A359794 A326947 A256450

Adjacent sequences: A039210 A039211 A039212 * A039214 A039215 A039216

Keyword

nonn,base,easy

Author

Olivier Gérard

Status

approved