A039002 Numbers whose base-4 representation has the same number of 0's and 1's.

2, 3, 4, 10, 11, 14, 15, 18, 19, 24, 28, 33, 36, 42, 43, 46, 47, 49, 52, 58, 59, 62, 63, 65, 68, 74, 75, 78, 79, 80, 98, 99, 104, 108, 114, 115, 120, 124, 134, 135, 137, 141, 146, 147, 152, 156, 161, 164, 170, 171, 174, 175, 177, 180, 186, 187, 190, 191, 198, 199

Offset

1,1

Links

Ivan Neretin, Table of n, a(n) for n = 1..10000

Mathematica

Select[Range[200], DigitCount[#, 4, 0] == DigitCount[#, 4, 1] &] (* Ivan Neretin, Apr 27 2017 *)

Crossrefs

Cf. A007090.

Sequence in context: A047455 A336193 A202426 * A295393 A120023 A353243

Adjacent sequences: A038999 A039000 A039001 * A039003 A039004 A039005

Keyword

nonn,base,easy

Author

Olivier Gérard

Status

approved