A031465 Numbers whose base-4 representation has 4 more 0's than 3's.

256, 512, 1025, 1026, 1028, 1032, 1040, 1056, 1088, 1152, 1280, 1536, 2049, 2050, 2052, 2056, 2064, 2080, 2112, 2176, 2304, 2560, 3072, 4099, 4101, 4102, 4105, 4106, 4108, 4113, 4114, 4116, 4120, 4129, 4130, 4132, 4136, 4144, 4161

Offset

1,1

Links

Harvey P. Dale, Table of n, a(n) for n = 1..1000

Mathematica

Select[Range[4200], DigitCount[#, 4, 0]==DigitCount[#, 4, 3]+4&] (* Harvey P. Dale, Jun 05 2012 *)

Crossrefs

Cf. A007090.

Sequence in context: A256822 A172422 A341887 * A045081 A294153 A235060

Adjacent sequences: A031462 A031463 A031464 * A031466 A031467 A031468

Keyword

nonn,base

Author

Clark Kimberling

Status

approved