A045034 Numbers whose base-4 representation contains exactly four 0's and one 1.

256, 1026, 1027, 1032, 1036, 1056, 1072, 1152, 1216, 1536, 1792, 2049, 2052, 2064, 2112, 2304, 3073, 3076, 3088, 3136, 3328, 4106, 4107, 4110, 4111, 4130, 4131, 4136, 4140, 4146, 4147, 4152, 4156, 4226, 4227, 4232, 4236

Offset

1,1

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..5000

Mathematica

Select[Range[20000], DigitCount[#, 4, 0] == 4 &&DigitCount[#, 4, 1] == 1 &] (* Vincenzo Librandi, Sep 23 2016 *)

Crossrefs

Cf. A007090.

Sequence in context: A135272 A205595 A255663 * A236911 A236904 A206198

Adjacent sequences: A045031 A045032 A045033 * A045035 A045036 A045037

Keyword

nonn,base

Author

Clark Kimberling

Status

approved