A031464 Numbers whose base-4 representation has 3 more 0's than 3's.

64, 128, 257, 258, 260, 264, 272, 288, 320, 384, 513, 514, 516, 520, 528, 544, 576, 640, 768, 1027, 1029, 1030, 1033, 1034, 1036, 1041, 1042, 1044, 1048, 1057, 1058, 1060, 1064, 1072, 1089, 1090, 1092, 1096

Offset

1,1

Links

Table of n, a(n) for n=1..38.

Mathematica

Select[Range[1100], DigitCount[#, 4, 3]+3==DigitCount[#, 4, 0]&] (* Harvey P. Dale, Apr 10 2018 *)

Crossrefs

Cf. A007090.

Sequence in context: A069493 A076470 A256820 * A045076 A235058 A366287

Adjacent sequences: A031461 A031462 A031463 * A031465 A031466 A031467

Keyword

nonn,base

Author

Clark Kimberling

Status

approved